A miniature actigraph worn around the wrist (Mini Motionlogger, Ambulatory Monitoring, Inc. Ardsley, NY) was applied To guage sleep high-quality objectively, making it feasible to monitor sleep below organic instances with minimum distortions. The actigraph steps wrist activity using a piezoelectric component and translates wrist movements into an electrical https://www.youtube.com/watch?v=PgNzdZr0_hg