title: Sleep disturbance in pregnancy. A subjective survey.
mesh_terms: D001463:Barbiturates / Q000627:therapeutic use; D004739:England; D005260:Female; D005865:Gestational Age; D006801:Humans; D010865:Pilot Projects; D011247:Pregnancy; D011248:Pregnancy Complications; D011581:Psychological Tests; D012893:Sleep Wake Disorders / Q000188:drug therapy / Q000453:epidemiology / Q000209:etiology*; D011795:Surveys and Questionnaires
chemical_list: D001463:Barbiturates