Sleep and fatigue.
Ohayon
M M
MM
Sleep Disorders Center, Stanford University School of Medicine, Stanford, CA, USA.
Shapiro
C M
CM
D002940:Circadian Rhythm; D005221:Fatigue / Q000209:etiology*; D015673:Fatigue Syndrome, Chronic / Q000209:etiology; D006801:Humans; D012307:Risk Factors; D012893:Sleep Wake Disorders / Q000175:diagnosis* / Q000209:etiology