Alpha-NREM sleep distributed across the 24-hour day in a legally blind elderly male.
D000368:Aged; D000513:Alpha Rhythm; D001766:Blindness / Q000523:psychology*; D002940:Circadian Rhythm; D003700:Delta Rhythm; D006970:Disorders of Excessive Somnolence / Q000523:psychology*; D006801:Humans; D008297:Male; D011930:Reaction Time; D012148:Restless Legs Syndrome / Q000523:psychology; D012891:Sleep Apnea Syndromes / Q000523:psychology; D012894:Sleep Stages; D012893:Sleep Wake Disorders / Q000523:psychology*; D012895:Sleep, REM