human 91 Humans 72 female 59 male 58 Article 57 sleep disorder 52 adult 49 Female 43 Male 39 sleep disordered breathing 35 controlled study 34 middle aged 32 major clinical study 30 Adult 27 Middle Aged 24 Sleep Apnea, Obstructive 21 depression 21 aged 20 complication 20 questionnaire 20 Sleep 18 Sleep Wake Disorders 18 disease severity 18 polysomnography 18 sleep 18 adolescent 16 psychology 16 child 15 young adult 15 cross-sectional study 14