Insomnia Center

Insomnia Center

More than eighty five million Americans are affected by insomnia, women more often than men. Although only forty one percent of women think they’ve had insomnia in the past year, fifty three percent of those aged 30 to 60 experienced insomnia in the past month.

Detailed Information

  • Insomnia is the most common sleep disorder. It varies from restless sleep to, more rarely, complete wakefulness.
  • Although most adults need seven or eight hours of sleep per night, many underestimate the amount they actually get. Usually, an unbroken night’s sleep is no cause for concern. If it begins to affect daytime performance, however, it may be a problem.
  • The most common types of insomnia — transient and intermittent — may go away on their own or with a doctor’s prescription of sleeping pills. Transient insomnia may last from one night to a few weeks. You may have intermittent insomnia if you experience transient insomnia every so often.
  • Chronic insomnia lasts a month or more and may be treated with relaxation therapy, reconditioning, sleep restriction or sleeping pills.

Brain and Mental Health

References and Sources: Medline, Pubmed, National Institutes of Health

last update: February 2009

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