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Consumer Sleep Technology
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Patent US10278638
Issued 2019-05-07
System And Method To Monitor And Assist Individual's Sleep
A sleep assist system to monitor and assist the user's sleep, comprising: a bedside device adapted to be positioned near the user's bed, the bedside device optionally comprising a loudspeaker, a light source, a microphone, a light sensor, a temperature sensor, a control unit, an air quality sensor, a display unit, a user interface. The system further comprises a first sensing unit positioned in the user's bed comprising one or more sensors adapted to sense at least pressure and changes in pressure exerted by the user lying in the bed; an additional sensor device to be in contact with the user's body, and to be coupled to the bedside device; the system is configured to correlate the data obtained from both the first sensing unit and the additional sensor device.
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- 1. A system to monitor a user's sleep and to assess various physiological parameters of the user, the system comprising:
a bedside device comprising at least a processing unit and a memory unit having non-transitory computer executable instructions, the bedside device further comprising at least one of the following: a loudspeaker, a light source, a microphone, a light sensor, a temperature sensor, a humidity sensor, a control unit, an air quality sensor, a display unit, and a user interface; a first sensing unit adapted to be positioned in the user's bed, the first sensing unit comprising one or more sensors adapted to sense at least pressure and/or changes in pressure exerted by the user lying in the bed, the first sensing unit comprising an air bladder the first sensing unit being adapted to measure ballistocardiography signals, an additional sensor device, configured to be in contact with the user's body, such that the additional sensor device is worn by the user on the user's wrist, having a photopléthysmography sensor and configured to measure at least heart pulses of the user, wherein the first sensing unit is coupled to the bedside device, wherein the additional sensor device is coupled to the bedside device, the processing unit is configured to correlate the data obtained from both the first sensing unit and the additional sensor device, and to deduce therefrom cardiovascular parameters including at least user's heart rate, user's heart rate variability and user's breathing frequency, wherein the processing unit is further configured to determine a first instant sensed by ballistocardiography of the first sensing unit, said first instant being representative of the user's heart ventricular contraction, to determine a second instant of an arrival of a corresponding pulse at the user's wrist, sensed by photopléthysmography of the additional sensor device, and to measure a pulse transit time defined as the time difference between first and second instants, and wherein the processing unit is further configured to assess the stiffness of the user's arteries based on the measurements of pulse transit time.
- 7. A system to monitor a user's sleep, and to assess various physiological parameters of the user, the system comprising:
a mobile terminal comprising at least a control unit and a display, a first sensing unit adapted to be positioned in the user's bed, the first sensing unit comprising one or more sensors adapted to sense at least pressure and/or changes in pressure exerted by the user lying in the bed, the first sensing unit comprising an air bladder, the first sensing unit being adapted to measure ballistocardiography signals, an additional sensor device, configured to be in contact with the user's body, such that the additional sensor device is worn by the user on the user's wrist, having a photopléthysmography sensor and configured to measure at least heart pulses of the user, wherein the first sensing unit is coupled to the mobile terminal, wherein the additional sensor device coupled to the mobile terminal, the mobile unit is configured to correlate the data obtained from both the first sensing unit and the additional sensor device, and to deduce therefrom cardiovascular parameters including at least user's heart rate, user's heart rate variability and user's breathing frequency wherein the mobile unit is further configured to determine a first instant sensed by ballistocardiography of the first sensing unit, said first instant being representative of the user's heart ventricular contraction, to determine a second instant of an arrival of a corresponding pulse at the user's wrist, sensed by photopléthysmography of the additional sensor device, and to measure a pulse transit time defined as the time difference between first and second instants, and wherein the mobile is further configured to assess the stiffness of the user's arteries based on the measurements of pulse transit time.
