JP6820684B2 - Time notification device - Google Patents

Description

The present invention relates to a time notification device.

Patent Document 1 describes a configuration in which the dynamics and sleeping state of a sleeping person are evaluated, and an electric device such as a lighting fixture is controlled based on the evaluation result. According to Patent Document 1, the bedside light is turned on when it is determined that the bedding has entered the flooring operation, and the bedside light is turned off when it is determined that the bedding has entered the floor and lay down. There is a description that the bedside light is turned on when it is judged that the person wakes up and gets up on the bedding, and the bedside light is turned off when it is judged that the sleeping person has left the bedding. Further, Patent Document 1 describes that the footlight is turned on when it is determined that the sleeping person has left the bed after getting up on the bedding.

Japanese Unexamined Patent Publication No. 2010-119791

By the way, the sleeping person feels that a comfortable sleep has been obtained by waking up naturally at the time of waking up. In addition, when awakening (halfway awakening) before the wake-up time, if there is time before the wake-up time, it is possible to wake up naturally at the wake-up time even if the person falls asleep again (sleeps twice). However, if you wake up halfway and fall asleep twice without noticing that the time to wake up is short, you may not be able to wake up naturally at the time of wake up, or you may oversleep. ..

The interior of the bedroom is generally dark, and it is difficult to estimate the time from the atmosphere of the bedroom when the sleeping person awakens, and even if the footlight is turned on, the time can be estimated from the atmosphere of the bedroom. It will be difficult. In order for an awakened sleeper to check the time, he / she must move his / her body and look at the clock display placed at the bedside. In this case, the sleeping person awakens from sleepiness by moving his / her body, and it becomes difficult to fall asleep again, or it takes time to fall asleep, and when he / she wakes up at the time of waking up, he / she feels lack of sleep. It may end up.

The present invention has been made in view of the above facts, and an object of the present invention is to provide a time notification device capable of easily recognizing a time when a sleeping person awakens.

The first aspect for achieving the above object is a sleeping state detecting means for detecting a sleeping state including entering, falling asleep, awakening, and getting out of bed of a sleeping person, and the awakening sleeping person can recognize the current time. The notification means is provided, and when the sleeping state detecting means detects the awakening of the sleeping person, the notification means controls the current time to be notified.

In the first aspect, the sleeping state detecting means detects a sleeping state including entering, sleeping, awakening, and getting out of bed of a sleeping person. The notification means notifies the current time so that the awake sleeping person can recognize the current time. As this notification means, it is preferable to notify the sleeping person so that the current time can be recognized without moving the body.

The surroundings where the sleeping person is sleeping are dark, and in order to check the current time when the sleeping person awakens, the body (upper body) is raised to see the clock, or the arm is extended and the clock is extended. It is necessary to take actions such as lifting.

When the awakening of the sleeping person is detected, the control means activates the notification means to notify the awakened sleeping person of the current time. As a result, the awakened sleeping person can easily recognize the current time.

In the second aspect, in the first aspect, the notification means includes a display means for displaying the time on the ceiling of the bedroom where the sleeping person sleeps.

In the second aspect, the display means displays the current time by projecting it onto the ceiling of the bedroom. Sleepers who are on the floor are often in a position to easily see the ceiling, and in the dark, even the slightest light is easily visible. Therefore, by displaying the current time on the ceiling, the sleeping person can easily recognize the current time displayed on the ceiling. In addition, sleepiness may be awakened when the sleeper gets up or stretches his arms, but since the sleeper does not have to move his body to recognize the time, it is possible to prevent the sleepiness from waking up. .. Further, since the brightness when displaying the current time is only a slight brightness (for example, about 10 lx), it is possible to prevent the displayed brightness from arousing the drowsiness of the sleeping person.

In a third aspect, in the first or second aspect, the notification means includes a voice notification means for notifying a sleeping person to recognize the time by voice, and the control means is preset with the current time. This includes controlling the voice notification means to notify the current time when the time difference from the wake-up time is within a predetermined time.

In the third aspect, a voice notification means for notifying the time by voice is provided. The time when the sleeping person wakes up is not necessarily a time several hours away from the wake-up time, and may be a time close to the wake-up time (for example, 30 minutes before the wake-up time). In this case, if the awakened sleeping person falls asleep twice, it becomes difficult to wake up naturally at the time of waking up, which may cause a feeling of lack of sleep or oversleeping.

Here, when the sleeping person awakens before a predetermined time with respect to the wake-up time, the control means notifies the current time by the voice notification means. As a result, the sleeping person is stimulated by hearing, becomes more likely to wake up from drowsiness, and is prevented from falling asleep twice. Therefore, it is possible to prevent a sleeping person from falling asleep twice, causing a feeling of lack of sleep when waking up at the wake-up time, or being unable to wake up at the wake-up time due to oversleeping.

A fourth aspect includes, in any one of the first to third aspects, the notifying means notifying the awakening sleeping person of the weather information together with the current time, the control means. , The notification means is controlled to notify the weather information together with the current time.

In the fourth aspect, the weather information is notified together with the current time. The weather information includes at least one of the current weather, the current temperature, the daily weather forecast, and the temperature of the day. Weather conditions may affect the schedule and behavior of the sleeping person after waking up. At this time, the awake sleeping person can recognize the weather information, so that the sleeping person sleeps twice with peace of mind if there is no need to change the behavior or schedule of the day from the recognized weather information. be able to. In addition, if it is necessary to change the behavior or schedule of the day from the recognized weather information, the sleeping person can prepare for that in advance or change the schedule or behavior.

As described above, according to the first aspect, there is an effect that the sleeping person can easily recognize the current time.

According to the second aspect, when the sleeping person recognizes the current time, it has an effect that the sleepiness of the sleeping person can be suppressed from being awakened. Further, according to the third aspect, there is an effect that it is possible to suppress the sleeping person from oversleeping or the feeling of lack of sleep when waking up at the time of waking up. Furthermore, according to the fourth aspect, if there is no need to change the schedule or behavior of the day, it is possible to fall asleep again with peace of mind, and if it is necessary to change it, it is possible to prepare in advance. Have.

It is a top view which shows the bedroom which concerns on this embodiment. It is an elevation view seen from one side in the bed width direction of a bedroom. It is a schematic block diagram of the clock device which concerns on this embodiment. It is a flow chart which shows an example of the time notification processing of a time display device. It is a top view of the main part of the ceiling seen from the sleeping side which shows an example of the displayed time. It is a flow chart which shows another example of the time notification processing of a time display device.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows the bedroom 10 according to the present embodiment in a plan view, and FIG. 2 shows the bedroom 10 in a side view elevation view.

As shown in FIG. 1, the bedroom 10 is formed by being surrounded by walls 12A, 12B, 12C, and 12D, and a ceiling plate 14A is attached to a ceiling base (see FIG. 2), which is not shown. ing. Further, in the bedroom 10, a small wall 16A is formed on the wall portion 12A, a small wall 16B is formed on the wall portion 12C, and the positions of the small wall 16A and the small wall 16B are the wall portion 12B and the wall portion 12D. It is said to be in the middle position of. Further, the small wall 16A is projected from the wall portion 12A toward the wall portion 12C, and the small wall 16B is projected from the wall portion 12C toward the wall portion 12A.

In the bedroom 10, a descending wall 18 is formed between the small walls 16A and 16B, and a small descending ceiling 20 is formed from the lower end of the descending wall 18 lowered by a predetermined height (for example, about 275 mm) from the ceiling 14. It has been extended. Further, on each of the first bedroom portion 10A side and the second bedroom portion 10B side, a window 22 is provided on the wall portion 12A, and a door 24 for entering and exiting the room is formed on the wall portion 12C. 22 is shaded by a blind (or curtain) 26.

As a result, the bedroom 10 is divided into a first bedroom portion 10A and a second bedroom portion 10B with the small walls 16A and 16B and the descending wall 18 as boundary portions, and the divided first bedroom portion 10A and the first bedroom portion 10A are divided. The two bedrooms 10B are substantially symmetrical with each other across the boundary. In the following description, when the functional parts on the first bedroom 10A side and the second bedroom 10B side are distinguished, the code A is added to the functional parts on the first bedroom 10A side, and the functional parts on the second bedroom 10B side are assigned. The code B is assigned to the functional component. Further, when the first bedroom portion 10A and the second bedroom portion 10B are not distinguished, the bedroom 10 will be described.

The bedroom 10 is provided with beds 30 (30A, 30B) as sleepers in each of the first bedroom 10A and the second bedroom 10B, and the beds 30A and 30B are the first bedroom 10A and the second bedroom. They are arranged side by side with the boundary portion with the portion 10B in between. As shown in FIGS. 1 and 2, the bed 30 is arranged along the wall surface of the wall portions 12B and 12D in the length direction. Further, in the bedroom 10, a shelf 32 is provided near the wall portion 12A, and in the bed 30, the headboard 34 is located near the shelf 32, and the side opposite to the headboard 34 is the wall portion 12C side. ing.

As a result, in the bedroom 10, two residents, one in each of the first bedroom 10A and the second bedroom 10B, can sleep side by side. When the resident sleeps on the bed 30, the body length direction is the direction along the wall surface of the wall portions 12B and 12D, the head side is the wall portion 12A side, and the foot side is the wall portion 12C side. In the present embodiment, the resident who sleeps on the bed 30 is a sleeping person.

A lighting fixture 36 as a lighting device is provided in the bedroom 10. A plurality of lighting fixtures 36 (36A, 36B) are provided in each of the first bedroom portion 10A and the second bedroom portion 10B (four units as an example in the present embodiment). The luminaire 36 is arranged on the upper side (ceiling 14 side) of the descending ceiling 20 and the light irradiation direction is directed to the ceiling surface (surface of the ceiling 14). Further, the lighting fixtures 36 are linearly arranged along the wall surfaces of the wall portions 12B and 12D between the wall portions 12A and the wall portions 12C.

As a result, indirect lighting is formed in the bedroom 10 (first bedroom portion 10A and second bedroom portion 10B) in which the illumination light emitted from the lighting fixture 36 is mainly applied to the ceiling surface (ceiling 14). As the lighting fixture 36, any fixture using an incandescent lamp or a fluorescent lamp as a light source can be applied, but in the present embodiment, the fixture of the LED light source is used. Each of the lighting fixtures 36 is provided with LEDs of a plurality of colors (emission colors), and is provided with a plurality of LEDs for each color, forming a linear light source arranged in a straight line.

As a result, the brightness and color temperature of the luminaire 36 can be changed by controlling the light emission of each LED. The luminaire 36 is controlled by a controller (not shown), and its color temperature is 2700 k (Kelvin) corresponding to the color of natural light (light bulb color, approximately orange) emitted from the sun (morning sun or sunset) before and after sunrise and before and after sunset. ), It emits illumination light in the range of 5000 k, which corresponds to the color (daylight white) of natural light (sunlight) during the daytime (around noon). Further, the luminaire 36 emits illumination light having an illuminance of several lx (lux) to 1000 lx (lux) in each of the first bedroom portion 10A and the second bedroom portion 10B when turned on.

Further, each of the first bedroom portion 10A and the second bedroom portion 10B is provided with a plurality of foot lights 38 (38A, 38B) as foot lighting means. The foot light 38 is provided below each of the wall portions 12B, 12C, and 12D, and below each of the beds 30A and 30B, and illuminates the floor surface. As a result, when the foot light 38A is turned on, the floor surface between the periphery of the bed 30A and the door 24 on the first bedroom portion 10A side is illuminated to a predetermined brightness (for example, 10 lx), and the foot light 38B is turned on. By doing so, the floor surface between the periphery of the bed 30B and the door 24 on the second bedroom portion 10B side is illuminated to a predetermined brightness.

By the way, the first bedroom portion 10A and the second bedroom portion 10B are provided with a clock device 40 as a time notification device, and the clock device 40 is provided in each of the beds 30A and 30B. The clock device 40 provided on the beds 30A and 30B has the same configuration, and will be described below without distinguishing between the bed 30A side and the bed 30B side.

FIG. 3 shows a schematic configuration of the clock device 40 in a block diagram. The clock device 40 includes a sleep state detection device (hereinafter referred to as a sleep sensor 42) as a sleep state detection means, a projector 44 as a notification means and a display means, and a control means and a voice notification means for controlling the operation of the projector 44. Controller 46 is provided. Further, the clock device 40 is provided with a speaker 48 as a notification means and a voice notification means.

The controller 46 includes a CPU, ROM, RAM, a non-volatile storage medium (for example, a non-volatile memory such as EPROM), and an input / output port, and includes a microcomputer having a general configuration in which these are connected by a bus. (Not shown). The ROM and the non-volatile memory store an operation program, a program for causing the controller 46 to function as a control means, and the like. The controller 46 functions as a control means when the CPU executes a program stored in the ROM and the non-volatile memory.

An alarm clock (alarm timer 50) is connected to the controller 46. The alarm timer 50 is placed on the shelf 32, which is the bedside of the bed 30, and displays the current time. Further, the wake-up timer 50 urges the wake-up person to wake up by issuing an alarm or the like at the set wake-up time by setting the wake-up time (wake-up time) by the sleeper.

The controller 46 acquires the current time and the wake-up time from the alarm clock 50. The controller 46 may have the function of the alarm clock 50. In this case, the controller 46 may have a built-in clock, and the time display unit and the time setting unit connected to the controller 46 may be placed on the shelf 32.

The sleep sensor 42 is provided on the bed 30 and is connected to the controller 46. The sleep sensor 42 includes a plurality of detection elements (not shown), and the detection elements are arranged on the bed 30. The detection element is attached to each of the plurality of legs of the bed 30, and the load, pressure, and changes (body movements) received by the legs of the bed 30 from the bed are measured in the sleeping state of the bed 30. Detect as information. Further, the detection element is arranged on the mat of the bed 30 on which the sleeping person lies down, and detects at least one of the sleeping person's body movement, the sleeping person's pulse, and the sleeping person's brain wave as sleeping state information. There may be.

The sleeping person enters the bed 30 and sleeps, and during the sleep until the sleeping person wakes up (wakes up), the light sleep and the deep sleep are repeated to wake up from the light sleep. In addition, the sleeping person may awaken (halfway awakening) during sleep until the time of waking up. From the sleeping state information detected by the detection element, the sleep sensor 42 indicates that the sleeping person is in bed 30, the sleeping person is awake (awakening), or is sleeping (sleeping). ) And whether the sleeping person has left the bed. In addition, when the sleeping person is sleeping, the sleep sensor 42 determines whether the sleeping person is deep or light, and also determines whether or not the sleeping person is awakened (halfway awakened) during sleep. The sleep sensor 42 outputs a signal indicating the sleep state of the determined sleeper to the controller 46.

As such a sleep sensor 42, whether or not the sleeping person has entered the bed 30 or has left the bed 30, whether or not the sleeping person who has entered the bed 30 is sleeping, and whether or not the sleep is deep or light. , And any configuration can be applied as long as it can detect whether or not the person is awake. Further, as the sleep sensor 42, for example, a control unit that determines the sleep state from the biometric information detection sensor and the biometric information acquired from the biometric information detection sensor used in the sleep management device of JP2016-59596. Applicable.

As shown in FIG. 1, the projector 44 is housed in the bedside shelf 32 of the bed 30. In the shelf 32, the projection direction of the image is directed to the surface (ceiling surface) of the ceiling 14 above the bed 30 and between the descending ceiling 26 and the wall portion 12D (or the wall portion 12C). , A predetermined image is projected on the ceiling 14 of the bedroom 10. As a result, the image projected on the ceiling 14 by the projector 44 can be visually recognized by slightly changing the state in which the sleeping person is in the bed 30 or the posture.

The projector 44 is connected to the controller 46. When the sleep sensor 42 detects that the bed 30 has awakened, the controller 46 controls the projector 44 so as to project the time at that time on the ceiling surface with a predetermined brightness (for example, a brightness of about 10 lx). .. As a result, the sleeping person can check the current time without moving his / her body on the bed 30.

Further, a foot light 38 provided in the bedroom 10 is connected to the controller 46 of the clock device 40, and the foot light 38 can be turned on / off by the controller 46. The controller 46 turns on the footlight 38 when the sleep sensor 42 detects the awakening of the sleeping person.

The speaker 48 is housed in the shelf 32 and emits a sound from the bedside of the bed 30. The speaker 48 is connected to the controller 46. The controller 46 has a voice synthesis function, synthesizes a voice signal indicating a time, and outputs the voice signal to the speaker 48. As a result, the speaker 48 emits a sound indicating the time.

The clock device 40 controls the projector 44, the speaker 48, and the footlight 38A on the bed 30A side (first bedroom 10A side) according to the sleeping state of the bed 30A, and sleeps the bed 30B. The projector 44, the speaker 48, and the footlight 38B on the bed 30B side (second bedroom 10B side) are controlled according to the state. In the clock device 40, the lighting fixture 36 is connected to the controller 46, and the controller 46 lights (lights / turns off, brightness (output) when the lighting fixtures 36 (36A, 36B) are lit according to the sleeping state of the sleeping person. ) And color temperature) may be controlled.

The operation of the clock device 40 will be described below as the operation of the present embodiment.
FIG. 4 is a flow chart showing an outline of the time notification process executed by the controller 46 of the clock device 40. Further, FIG. 5 shows an example of the image projected by the projector 44 in a plan view seen from the bed 30 side.

For example, a person detection sensor using an infrared sensor or the like can be provided in the bedroom 10, and when it is detected by the person detection sensor that a sleeping person (resident) has entered the room, the lighting fixture 36 (lighting fixture 36A and One of the luminaires 36B) is lit with a predetermined brightness (for example, 500 lx or less). Further, the luminaire 36 is lit at a color temperature of 2700 k, the color temperature of which is close to the natural light at sunset (sunset light) and the natural light at sunrise (sunrise light). In the bedroom 10, the brightness of the lighting fixture 36 forming the indirect lighting is controlled in this way, so that the brightness is suppressed and a calm atmosphere suitable for sleeping is obtained.

Further, when the sleeping person enters the bed 30, the output of the luminaire 36 is reduced (dimmed) so that the brightness of the bedroom 10 is as dark as 9 lx without changing the color temperature. ). As a result, the inside of the bedroom 10 becomes as dim as after sunset, and it is possible to encourage the sleeping person who has entered the bed 30 to fall asleep naturally. After that, the luminaire 36 is turned off when the sleeping person of the bed 30 is detected. This can promote the sleep of the sleeping person. It should be noted that such control of the brightness of the luminaire 36 is possible based on the sleep state detected by the sleep sensor 42.

In addition, the alarm clock timer 50 sets the wake-up time prior to the sleeping person going to bed. The luminaire 36 is lit at a color temperature of 5000 k and a brightness of 1000 lx so as to encourage the sleeping person to wake up at the set wake-up time. As a result, the sleeping person can be stimulated with light to promote the sleeping person to wake up.

At this time, the lighting fixture 36 starts lighting before a predetermined time such as 10 minutes before the wake-up time, and the color temperature and brightness (output) so as to be in the above-mentioned lighting state at the wake-up time. ) Is gradually increased. Further, when the color temperature and brightness are gradually increased, the color temperature and brightness are gradually increased from the foot side (wall portion 12C side) of the sleeping person. As a result, the sleeping person can comfortably wake up at the wake-up time at intervals during the morning sun. For the control of the luminaire 36 at such a wake-up time, the control means for controlling the lighting of the luminaire 36 may be connected to the controller 46 of the clock device 40 or the alarm clock 50.

By the way, when the sleeping person who has fallen asleep in the bed 30 falls asleep, the clock device 40 executes a time notification process for notifying the time (current time) when the sleeping person who has fallen asleep awakens. The time notification process shown in FIG. 4 is executed when the sleeping person who has entered the bed 30 falls asleep, and ends when the sleeping person wakes up and leaves the bed (wakes up). The wake-up time is set on the alarm clock 50 prior to the sleeping person falling asleep or in advance.

The sleeping person may awaken (halfway awakening) before the wake-up time, and in the flowchart of FIG. 4, it is confirmed in the first step 100 whether or not the sleeping sleeping person has awakened halfway.

Here, when the sleep sensor 42 detects that the sleeping person has awakened halfway during sleep and has awakened halfway, a positive determination is made in step 100 and the process proceeds to step 102. In this step 102, the projector 44 is operated to display the current time. As a result, as shown in FIG. 5, on the ceiling 14 of the bedroom 10, an image 52 showing the current time with a moving image in which the character portion is brightened is displayed at a position above the sleeping person. At this time, the brightness of the ceiling 14 (brightness of the character portion) is set to 10 lx or less (for example, 10 lx) to suppress irritation to the eyes of the sleeping person.

The image 52 to be displayed on the ceiling 14 is preferably a simple image in 12-hour display or 24-hour display, and the image 52 displays the time up to minutes in 12-hour display. For the image 52, a simple image showing the hour and minute with familiar Arabic numerals (arithmetic numerals) is applied. As a result, the sleeping person can easily recognize the displayed current time, and thus it is possible to prevent the sleeping person from gazing at the image in order to recognize the current time. Therefore, it is possible to prevent the sleeping person from waking up from drowsiness due to watching the image 52, and it is possible to easily re-sleep the sleeping person.

As a result, the sleeping person who awakens halfway can recognize the current time by looking at the ceiling 14, and can grasp whether or not it is possible to sleep twice from the recognized current time and the preset wake-up time. ..

In order for the sleeper to check the time displayed on the alarm clock 50 placed at the bedside, it is necessary to reach for the bedside and lift the alarm clock 50 or raise the upper body. Wake up drowsiness by performing such an action. If there is still enough time before the wake-up time, the sleeper sleeps twice, but when he / she wakes up, it takes time to fall asleep and the sleep time becomes shorter. For this reason, the sleeping person may feel sleep deprivation or oversleep when waking up at the time of waking up.

On the other hand, since the time is displayed on the ceiling 14, the sleeping person does not have to move his / her body to check the time, so that he / she can suppress drowsiness. Further, while the sleeping person is sleeping, the inside of the bedroom 10 is dark, but since the time is displayed by the projector 44, the inside of the bedroom 10 becomes slightly bright (becomes a dim state). For this reason, a sleeping person who is awakened halfway can easily fall asleep again without feeling anxiety. Therefore, even if the person sleeps twice after awakening halfway, the sleeping person can suppress the feeling of lack of sleep when waking up at the time of waking up.

Indirect lighting is applied to the bedroom 10, and the ceiling surface of the ceiling 14 is substantially flat. Therefore, since the image 52 displayed on the ceiling 14 by the projector 44 is not disturbed, the sleeping person can easily recognize the current time shown in the image 52.

Further, the controller 46 operates the projector 44 in step 102 to display the current time and turn on the footlight 38. Since the foot light 38 illuminates the floor surface around the bed 30 with a brightness of about 10 lx, the sleeping person is prevented from being awakened by the light of the foot light 38 as a stimulus. That is, the sleeping person may feel drowsy when the light entering the eyes is a stimulus, but the footlight 38 illuminates the floor surface to the extent that it is darkened, so that the light of the footlight 38 is lit. Since it is possible to suppress the stimulation of the sleeping person, it is possible to suppress the awakening of drowsiness, and it is possible to suppress the image 52 of the ceiling 14 from becoming difficult to see.

The display on the ceiling 14 may be one in which the image showing the time is switched in minutes instead of the image 52. Further, the image or video displayed on the ceiling 14 may be displayed in units of dates or seconds. Further, the display on the ceiling 14 may include weather information such as the current weather, the current temperature, the weather forecast for the day, and the expected temperature for the day. The weather information can be easily obtained by connecting the controller 46 to a server that provides the weather information via the Internet. Since the sleeping person can recognize whether or not there is a problem with the schedule of the day by being notified of the weather information, if the weather information has no problem with the schedule of the day, he / she can fall asleep again with peace of mind.

On the other hand, in step 104 of FIG. 4, it is confirmed whether or not the sleeping person has fallen asleep again, and in step 106, it is confirmed whether or not the sleeping person who has awakened halfway has left the bed. Here, when the sleep sensor 42 detects that the sleeping person has fallen asleep again, a positive determination is made in step 104, and the process proceeds to step 108. Further, the sleep sensor 42 can detect whether or not the sleeping person has risen up and left the bed 30 (whether or not he / she has left the bed), and when the sleep sensor 42 detects that he / she has left the bed, he / she is affirmed in step 106. It is determined and the process proceeds to step 108.

In step 108, the operation of the projector 44 is stopped and the image at the time displayed on the ceiling 14 is erased. As a result, it is possible to prevent the image displayed on the ceiling 14 from interfering with the sleep of the sleeping person.

Further, when the affirmative judgment is made in step 104 and the process proceeds to step 108, the foot light 38A is turned off. This prevents the light of the footlight 38 from interfering with the sleep of the sleeping person.

Further, when the sleeping person awakens halfway and leaves the bed, the sleeping person who has left the bed re-enters the bed 30 and falls asleep again. From here, when the affirmative determination is made in step 106 and the process proceeds to step 108, the footlight 38 may be left on. As a result, the floor surface up to the door 24 is illuminated by the footlight 38, so that, for example, the feet are illuminated from the time when the awakened sleeper goes to the toilet until he returns to the bed 30 and goes to bed. A person can move with peace of mind. In addition, when the lighting fixture 36 is turned on to illuminate the feet, the sleeping person feels dazzling and the eyes are dazzled, but since only the footlight 38 is turned on, the sleeping person's eyes are dazzled. Can be prevented. The foot light 38 may be turned off after it is detected that the sleeping person who has left the bed returns and falls asleep again.

In this way, the clock device 40 displays the image 52 showing the current time on the ceiling 14 when the sleeping person awakens halfway, so that the sleeping person can re-sleep with peace of mind if there is enough time until the wake-up time. can do. As a result, the sleeping person can get enough sleep and feel that he / she has obtained a comfortable sleep when he / she wakes up at the time of waking up.

In the above description, when the sleeping person's mid-career awakening is detected, the image 52 is displayed on the ceiling 14 and the footlight 38 is turned on, but when the sleeping person's mid-career awakening is detected. The image 52 may be displayed on the ceiling 14 and the foot light 38 may be turned on at a timing such as when a sleeping person wakes up on the bed 30 to get out of bed.

Further, the image 52 is turned off when the sleeping person falls asleep, but the image 52 is not limited to this, and the image 52 is preset for a predetermined time (for example, 1 minute, 30 seconds to 5 minutes). It may be turned off (the operation of the projector 44 is stopped) after the lapse of time.

In the above description, the case of awakening halfway at the time (timing) at which the person can sleep twice by the time of waking up has been described as an example, but the time of waking up halfway may be close to the time of waking up. In sleep, deep sleep and light sleep are repeated, and by waking up naturally from a shallow state, a comfortable awakening can be obtained. For this reason, if the time of awakening is close to the time of waking up, if you fall asleep twice, you may not feel that you have obtained a comfortable sleep when you wake up at the time of waking up.

From here, in the clock device 40, the processing may be different between the time close to the wake-up time (for example, the time from 20 minutes to 30 minutes before the wake-up time) and the other time. As the predetermined time at this time, a time that feels early to get up but short to sleep twice is applied. FIG. 6 shows an example of the time notification process at this time in a flow chart. Note that, in FIG. 6, for the same processing as in FIG. 4, the same step numbers as in FIG. 4 are assigned, and detailed description thereof is omitted.

In the flowchart shown in FIG. 6, when the awakening of the sleeping person is detected and an affirmative judgment is made in step 100, the process proceeds to step 110. In this step 110, the time difference between the current time and the wake-up time is obtained, and it is confirmed whether or not the time difference is within a predetermined time (for example, 30 minutes). As a result, if the time difference between the current time and the wake-up time exceeds the predetermined time, a negative determination is made in step 110 and the process proceeds to step 102.

On the other hand, if the current time is close to the wake-up time and the sleeping person sleeps twice, it is predicted that he / she will not be able to wake up comfortably at the wake-up time or will oversleep, and a positive judgment is made in step 110. To step 112. In this step 112, the projector 44 is operated to display the current time on the ceiling 14. At the same time, in step 112, the time is notified by voice. After that, when it is detected that the sleeping person has woken up, an affirmative judgment is made in step 114, the process proceeds to step 108, and the operation of the projector 44 is stopped to erase the image of the ceiling 14 and the time by voice. Stop the notification of.

By listening to the current time by voice, the sleeping person stimulates hearing and promotes awakening of drowsiness. The time may be notified by voice, for example, at a preset time interval (for example, every minute or every two minutes, which the sleeping person does not feel annoyed).

Further, it is preferable that the image displayed on the ceiling 14 by the projector 44 in step 112 includes not only the hour and minute unit but also the date or even the second unit. As a result, the sleeper's attention is directed to the image displayed on the ceiling 14, and the sleepiness of the sleeper is promoted to awaken. Further, the image displayed on the ceiling 14 by the projector 44 includes the current time in minutes, seconds, or the image obtained by adding the date to the current weather, the current temperature, the weather forecast for the day, the expected temperature, and the like. You may add the weather information of. As a result, the attention of the sleeping person can be directed by the image displayed on the ceiling 14, and the sleepiness of the sleeping person can be further promoted.

By awakening the drowsiness of the sleeping person in this way, it is possible to prevent the sleeping person from falling asleep twice, and when the sleeping person oversleeps at the time of waking up or wakes up at the time of waking up, a feeling of lack of sleep is felt. Can be suppressed from occurring.

In addition, by including the weather information in the image displayed on the ceiling 14 by the projector 44, the sleeper's attention is directed to the clothes and the action schedule, so that the sleeper's drowsiness can be further promoted. It is possible to further suppress the feeling of lack of sleep at the time of waking up.

In step 112, the current time is notified by voice together with the video by the projector 44, but the present time is not limited to this, and the display of the current time by video is omitted and the current time is notified by voice. Alternatively, the notification of the current time by voice and the notification of the current time by video may be switched at a predetermined time interval (for example, a time interval of 1 minute or 2 minutes).

In the above description, the projector 44 is used as a notification means and a display means, and an image showing the current time is displayed on the ceiling 14. However, if the bedroom 10 is provided with a wall-mounted clock and the clock is in a position that is easy for the sleeping person who is in the bed 30 to see, use a spotlight or the like to illuminate the clock time. You can do it.

Further, when the wall-mounted clock provided in the bedroom 10 is a light emitting type that emits light by a signal input from the outside to clearly indicate the display time, the time is notified to the sleeping person by emitting light. You may. If the light emitting clock is an analog clock, it may be any one that emits light from the long hand and the short hand, and if it is a digital clock, it is sufficient if the display that displays the time emits light. Further, the light emitting type clock may be connected to the controller 46 of the clock device 40 by a wired method or a wireless method, and a signal instructing light emission may be input from the controller 46. At this time, the connection between the light emitting clock and the controller 46 is applied to a network formed in a house having a bedroom 10 such as a wired LAN (Local Area Network) or a wireless LAN such as a Wi-Fi LAN. it can.

10 Bedroom 14 Ceiling 30 (30A, 30B) Bed 38 (38A, 38B) Footlight 40 Clock device (time notification device)
42 Sleep sensor (sleep state detection means)
44 Projector (notification means, display means)
46 Controller (control means, voice notification means)
48 Speaker (voice notification means)
50 Alarm timer 52 Video

Claims (2)

A sleeping state detecting means for detecting a sleeping state including falling asleep, falling asleep, awakening, and getting out of bed, and a sleeping state detecting means.
A notification means that notifies an awake sleeping person so that the current time can be recognized,
When the awakening of the sleeping person is detected by the sleeping state detecting means, the control means for controlling the current time to be notified by the notifying means, and
With
The notification means includes a display means for displaying the time on the ceiling of the bedroom where the sleeping person sleeps, and a voice notification means for notifying the sleeping person to recognize the time by voice.
The control means determines whether or not the time difference between the current time and the preset wake-up time is within a predetermined time when the awakening of the sleeping person is detected, and when the time difference is within the predetermined time, the control means determines. A time notification device that is controlled by the voice notification means and the display means to notify the current time, and is controlled so that the display means notifies the current time when the time difference is not within the predetermined time . The notification means includes notifying the weather information together with the current time so that the awake sleeping person can recognize it.
The time notification device according to claim 1 , wherein the control means controls the notification means to notify weather information together with the current time .