Does too much sleep cause depression?

Presented at Ste. Anne’s Hospital 2006-5-9 and on 2006-6-1. Some proverbs about sleep: “One hour’s sleep before midnight is worth two hours after.”
—John Rays (1627-1705): A Compleat Collection of English Proverbs, 1670 “Plough deep while sluggards sleep.”
—Benjamin franklin (1706-1790): Maxim prefixed to Poor Richard’s Almanac, 1757 “The early bird catches…

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What causes insomnia?

This article was published on the website of Scientific American, on 2003-5-12. download a pdf file of the web article. An edited version appeared in the print edition of Scientific American, October 2003. Download a pdf file of the print article. The articles were republished in 2006 in the print and online…

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Are insomniacs sleep deprived?

Letter to the Editor of the Montreal Gazette. Every couple of weeks or so, there appears an article about sleep, most recently “A mounting sleep debt is nothing to yawn about” (Gazette 2002-12-03) Typically, the authors decry the high prevalence of insufficient sleep, the deleterious effects of sleep deprivation, the…

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Sleep, depression, fatigue, and insomnia

Sleep, Depression, Fatigue, and Insomnia Henry Olders, MD, FRCPC12 August 1998 IntroductionRecent research indicates that an important cause of depression may be sleeping too much; specifically, too much Rapid Eye Movement (REM) sleep. In those individuals without a genetic predisposition to depression, too much REM sleep can cause some depressive…

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