Changes

==Origin==

==Origin==

[https://nordan.daynal.org/wiki/index.php?title=English#ca._1100-1500_.09THE_MIDDLE_ENGLISH_PERIOD Middle English], from ''night'' + ''mare''

[https://nordan.daynal.org/wiki/index.php?title=English#ca._1100-1500_.09THE_MIDDLE_ENGLISH_PERIOD Middle English], from ''night'' + ''mare''

*[http://en.wikipedia.org/wiki/14th_century 14th Century]

*[https://en.wikipedia.org/wiki/14th_century 14th Century]

"Nightmare" evokes the [[modern]] word for a [[female]] horse but the terms are wholly unrelated. The word derives from the [https://nordan.daynal.org/wiki/index.php?title=English#ca._600-1100.09THE_OLD_ENGLISH.2C_OR_ANGLO-SAXON_PERIOD Old English] "mare", a [[mythological]] [[demon]] who torments [[human being]]s with [[frightening]] [[dreams]].

"Nightmare" evokes the [[modern]] word for a [[female]] horse but the terms are wholly unrelated. The word derives from the [https://nordan.daynal.org/wiki/index.php?title=English#ca._600-1100.09THE_OLD_ENGLISH.2C_OR_ANGLO-SAXON_PERIOD Old English] "mare", a [[mythological]] [[demon]] who torments [[human being]]s with [[frightening]] [[dreams]].

==Definitions==

==Definitions==

A '''nightmare''' is an unpleasant [[dream]] that can cause a strong [[negative]] [[emotional]] [[response]] from the [[mind]], typically fear or [[horror]], but also despair, anxiety and great sadness. The dream may contain situations of [[danger]], discomfort, psychological or physical [[terror]]. Sufferers usually [[awaken]] in a state of distress and may be unable to return to [[sleep]] for a prolonged period of time.

A '''nightmare''' is an unpleasant [[dream]] that can cause a strong [[negative]] [[emotional]] [[response]] from the [[mind]], typically fear or [[horror]], but also despair, anxiety and great sadness. The dream may contain situations of [[danger]], discomfort, psychological or physical [[terror]]. Sufferers usually [[awaken]] in a state of distress and may be unable to return to [[sleep]] for a prolonged period of time.

Nightmares can have [[physical]] causes such as sleeping in an uncomfortable or awkward [[position]], having a fever, or [[psychological]] causes such as [[stress]] and [[anxiety]]. Eating before going to sleep, which triggers an increase in the [[body]]'s [[metabolism]] and [[brain]] activity, is a potential [[stimulus]] for nightmares. Recurrent nightmares that can [[interfere]] with sleeping patterns and cause [http://en.wikipedia.org/wiki/Insomnia insomnia] may require [[medical]] help.[http://en.wikipedia.org/wiki/Nightmare]

Nightmares can have [[physical]] causes such as sleeping in an uncomfortable or awkward [[position]], having a fever, or [[psychological]] causes such as [[stress]] and [[anxiety]]. Eating before going to sleep, which triggers an increase in the [[body]]'s [[metabolism]] and [[brain]] activity, is a potential [[stimulus]] for nightmares. Recurrent nightmares that can [[interfere]] with sleeping patterns and cause [https://en.wikipedia.org/wiki/Insomnia insomnia] may require [[medical]] help.[https://en.wikipedia.org/wiki/Nightmare]

[[Category: Psychology]]

[[Category: Psychology]]