Tenses of insomnia epidemiology.
Maurice M
MM
Ohayon
Colin M
CM
Shapiro
D002940:Circadian Rhythm; D006801:Humans; D012720:Severity of Illness Index; D020178:Sleep Disorders, Circadian Rhythm / Q000175:diagnosis / Q000453:epidemiology; D007319:Sleep Initiation and Maintenance Disorders / Q000175:diagnosis / Q000453:epidemiology*