Selected articles, books, websites and other resources on health.

Sleep is a naturally recurring altered state of consciousness with relatively suspended sensory and motor activity, characterized by the inactivity of nearly all voluntary muscles.

The Center for Disease Control’s finding that sleep deprivation has reached epidemic proportions has failed to generate significant public outcry.

The so-called "torture report" released by the U.S. Senate this week contains only a fraction of the findings on how the CIA aimed to gather intelligence from detainees through interrogation. Still, i...