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| | Night Terrors Resource Center |
 | | Night Terrors Symptoms: Sudden awakening from sleep, persistent fear or terror that occurs at night, screaming, sweating, confusion, rapid heart rate, inability to explain what happened, usually no recall of "bad dreams" or nightmares, may have a vague sense of frightening images. |
 | | Night Terror or Nightmare?: Nightmares occur during the dream phase of sleep known as REM sleep. |
 | | Night terrors, on the other hand, occur during a phase of deep non-REM sleep usually within an hour after the subject goes to bed. |
| www.nightterrors.org (563 words) |
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