from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of several disorders that frequently interfere with sleep, occurring especially among children and including sleepwalking, night terrors, and bed-wetting.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of several sleep disorders


Probably para-1 + (in)somnia.
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • The most common type of parasomnia is the "disorder of arousal," which includes confusional arousals, sleepwalking (somnambulism), and sleep terrors.


  • A parasomnia is a classification of sleep disorder where people can do some pretty complicated behaviors in their sleep.

    Dr. Michael J. Breus: Sleep Tips: Is Sexsomnia Real?

  • In other words, a parasomnia is a condition where someone is acting out his or her dreams.


  • These people are actually asleep, but they suffer conditions called parasomnia, disorders that frequently interfere with sleep, like sleepwalking or night terror.

    CNN Transcript Mar 23, 2006

  • It's something called parasomnia, and we'll tell you all about it when 360 continues, live in New Orleans with these great volunteers from all around the country.

    CNN Transcript Mar 23, 2006

  • GUPTA: Sexsomnia is one of a host of sleep disorders called parasomnia, waking behaviors like eating, acting out violence, even driving, that all happen while still in a deep slumber.

    CNN Transcript Mar 24, 2006

  • In rare cases, such deaths could be caused by something called parasomnia pseudo-suicide, experts say. Top headlines

  • Sexsomnia is a form of a sleep disorder called parasomnia, or unwanted behavior that occurs during sleep.

    Medlogs - Recent stories

  • The term "parasomnia" refers to a wide variety of behaviors that occur during sleep.


  • 360 MD Sanjay Gupta takes a look at what's called parasomnia, as his special series on sleep continues.

    CNN Transcript Mar 23, 2006


Log in or sign up to get involved in the conversation. It's quick and easy.

  • An event happening during sleep, or induced or exacerbated by sleep, such as sleepwalking or asthma; not a dyssomnia.

    May 13, 2008