title: Sleep deprivation in the treatment of chronic depressive states.
mesh_terms: D000328:Adult; D001714:Bipolar Disorder / Q000523:psychology / Q000628:therapy*; D002908:Chronic Disease; D003866:Depressive Disorder / Q000523:psychology / Q000628:therapy*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012892:Sleep Deprivation; D012895:Sleep, REM