Encyclopedia of Earth
Encyclopedia of Earth: Health Effects of Light Pollution
Article discusses the impact of light pollution on the health of human beings as well as on plants and wildlife. (Updated July 18, 2012)
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Story md.com: Sleep Apnea
Sleep apnea is a common disorder that causes your breathing to stop or get very shallow while you sleep. Discover sleep apnea symptoms and treatment.
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American Sleep Association: Sleep Walking
Page is devoted to an overview of sleepwalking including causes and possible prevention.
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Wake Forest University Baptist Medical Center: Sleepwalking
It might be frightening to find a sleepwalker moving around in the house. Ambulation that occurs during sleep is called somnambulism. Here are some facts about this condition and possible treatment.
