title: Obligate symbiosis: sleep and affect.
authors.forename: Matthew P
authors.initials: MP
authors.lastname: Walker
authors.forename: Allison G
authors.initials: AG
authors.lastname: Harvey
mesh_terms: D000339:Affect; D015928:Cognitive Behavioral Therapy; D006801:Humans; D001523:Mental Disorders / Q000175:diagnosis* / Q000523:psychology* / Q000628:therapy; D019222:Mind-Body Relations, Metaphysical; D019964:Mood Disorders / Q000175:diagnosis* / Q000523:psychology / Q000628:therapy; D012890:Sleep; D007319:Sleep Initiation and Maintenance Disorders / Q000175:diagnosis / Q000523:psychology / Q000628:therapy; D012893:Sleep Wake Disorders / Q000175:diagnosis* / Q000523:psychology / Q000628:therapy; D013223:Statistics as Topic; D013559:Symbiosis