title: I'm having trouble sleeping.  Would a sleep study help?
mesh_terms: D002940:Circadian Rhythm / Q000502:physiology*; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D017286:Polysomnography; D012890:Sleep / Q000502:physiology*; D020181:Sleep Apnea, Obstructive / Q000175:diagnosis* / Q000517:prevention & control; D007319:Sleep Initiation and Maintenance Disorders / Q000175:diagnosis* / Q000517:prevention & control