Abstract—Sleep onset latency (SOL) is an objective indicator of sleepiness and is being used clinically as a diagnostic tool for sleep deprivation.Thisstudyproposesanewandlessintrusiveapproach toestimateSOLbasedonthebloodpressure(BP)regulatoryreflex mechanism.Wehypothesizedthatthearterialbaroreflex,onekind of reflex mechanism for BP regulation, maintains the toning-down effect sleep has on…
Abstract—In this paper, a feasibility study where small wireless devices are used to classify some typical user’s positions in the bed is presented. Wearable wireless low-cost commercial transceivers operatingat2.4GHzaresupposedtobewidelydeployedinindoor settings and on people’s bodies in tomorrow’s pervasive computing environments. The key idea of this study is to leverage their presen…