A miniature actigraph worn around the wrist (Mini Motionlogger, Ambulatory Monitoring, Inc. Ardsley, NY) was applied To judge sleep quality objectively, rendering it feasible to watch sleep less than natural situations with nominal distortions. The actigraph actions wrist action utilizing a piezoelectric ingredient and interprets wrist actions into an https://www.youtube.com/watch?v=PgNzdZr0_hg