Trouble Sleeping? Insomnia May Be Why

Medical Author: Melissa Stoppler, M.D.
Medical Editor: Barbara K. Hecht, Ph.D.

Insomnia is the personal perception of inadequate or poor-quality sleep. Contrary to popular belief, insomnia cannot be simply defined by the total amount of sleep you get or how long it takes you to fall asleep. People vary dramatically in both their need for sleep and in the time they require to fall asleep. What constitutes a refreshing night's sleep for one person can be insomnia for another. In other words, insomnia is in the mind of the sleeper (or non-sleeper, as the case may be).

Insomnia can be particularly devastating because it often provokes daytime behaviors that only worsen the condition. Persons without adequate sleep may attempt to combat their fatigue and trouble concentrating by excessive caffeine intake, by tobacco smoking and by consuming unhealthy or sugar-laden foods. Insomniacs may be "too tired" to exercise and may take afternoon naps, both of which further reduce the ability to fall asleep the following night.

Medically Reviewed by a Doctor on 12/1/2014

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