title: Etiology of insomnia.
authors.forename: Michael
authors.initials: M
authors.lastname: Bonnet
mesh_terms: D000367:Age Factors; D002110:Caffeine / Q000009:adverse effects; D002908:Chronic Disease; D006801:Humans; D012307:Risk Factors; D007319:Sleep Initiation and Maintenance Disorders / Q000209:etiology*; D012931:Social Environment; D013315:Stress, Psychological / Q000150:complications
chemical_list: D002110:Caffeine