Sleep -- Pictorial works -- Catalogs. : Sleep : Ted Spagna / edited by Bonfilio and Ron Eldridge with Martynka Wawrzyniak ; foreword by Mary Ellen Mark ; essay by Dr. Allan Hobson
Abnormal sleep-wake schedule or pattern associated with the CIRCADIAN RHYTHM which affect the length, timing, and/or rigidity of the sleep-wake cycle relative to the day-night cycle
Abnormal sleep-wake schedule or pattern associated with the CIRCADIAN RHYTHM which affect the length, timing, and/or rigidity of the sleep-wake cycle relative to the day-night cycle
Sleep -- Social aspects -- Asia : Night-time and sleep in Asia and the West : exploring the dark side of life / edited by Brigitte Steger and Lodewijk Brunt
Periods of sleep manifested by changes in EEG activity and certain behavioral correlates; they formerly included Stage 1: sleep onset, drowsy sleep; Stage 2: light sleep; Stages 3 and 4: delta sleep, light sleep, deep sleep, telencephalic sleep. In 2007, sleep stages were redefined by The American Academy of Sleep Medicine (AASM) as: N1-N2 (sleep onset - light sleep), N3 (SLOW-WAVE SLEEP), and REM SLEEP