The purpose of the present study is to consider how respiration and pulse are controlled by autonomic nervous system during sleep, i.e., unconscious state. In addition, how and why sleeping posture change occurs also under unconscious state. For the methodology for the above question, a dynamic air pressure sensor was adopted to detect body motion wave (BMW) to produce information of respiration, pulse and unconscious actions. As a result, it was found that i) transition of rates of respiration and pulse had three slope patterns with some difference between the two, ii) both transitions had periodicity but not same between the two, and iii) the change of sleeping posture occurred to significantly vary both rates under the control by autonomic nervous system. Also for the change of sleeping posture at unconscious state, it can be considered to vary above two rates under some direct or indirect control of autonomic nervous system.
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- Sophisticated Rate Control of Respiration and Pulse during Sleep Studied by Body Motion Wave