A miniature actigraph worn around the wrist (Mini Motionlogger, Ambulatory Monitoring, Inc. Ardsley, NY) was utilized To judge sleep good quality objectively, which makes it achievable to observe sleep underneath purely natural circumstances with minimal distortions. The actigraph steps wrist exercise employing a piezoelectric element and translates wrist actions https://www.youtube.com/watch?v=PgNzdZr0_hg