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BookmarkInsomnia is characterized by an inability to sleep and/or to be incapable of remaining asleep for a reasonable period.
See also:
Insomniacs typically complain of being unable to close their eyes or "rest their mind" for more than a few minutes at a time.
Both organic and nonorganic insomnia constitute a sleep disorder.
It is often caused by fear, stress, anxiety, medications, herbs or even caffeine.
An overactive mind or physical pain may also be causes.
Finding the underlying cause of insomnia is usually necessary to cure it..
For more information about the topic Insomnia, read the full article at Wikipedia.org, or see the following related articles:
Sleep deprivation — Sleep deprivation is an overall lack of the necessary amount of sleep. A person can be deprived of sleep by their own body and mind, insomnia, or ... > read more
Fatigue (physical) — Fatigue is a state, following a period of mental or physical activity, characterized by a lessened capacity for work and reduced efficiency of ... > read more
Jet lag — Jet lag (aka "jetlag" or "jet-lag"), is a physiological condition which is a consequence of alterations to the circadian rhythm. Such alterations ... > read more
Sleep disorder — A sleep disorder (somnipathy) is a disorder in the sleep patterns of a person or animal. Sleep disorders include: Bruxism; delayed sleep phase ... > read moreNote: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Insomnia at Wikipedia.org. See the Wikipedia copyright page for more details.
