In the past century, we have reduced our average sleep time by 20 percent. Going back 20 years, identify societal changes and changes in individual lifestyles that encourage wakefulness and discourage sleep. 2. Many more women than men suffer from chronic sleep loss. What social, psychological, and physiological factors might account for this gender difference? 3. Ninety-five percent of individuals that suffer from sleep disorders are never diagnosed or treated for their disorder. What factors might explain why sleep disorders often go untreated and undiagnosed?
