In small, clinical samples, men have reduced slow wave sleep compared to women. Given the higher prevalence of sleep-related breathing disturbance in men, this study assessed sex differences in sleep in a large, non-clinical sample of adults and controlled for primary sleep disorders.
Department of Psychiatry and Behavioral Neurosciences, Sleep Disorders and Research Center, School of Medicine, Wayne State University, Henry Ford Hospital, Detroit, MI 48202, USA. taroehrs@aol.com