[Sleeplessness following nerve block--effect on circadian rhythm (author's transl)].
D000368:Aged; D002940:Circadian Rhythm; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009407:Nerve Block / Q000009:adverse effects*; D007319:Sleep Initiation and Maintenance Disorders / Q000209:etiology*