Frightening, dreamlike experiences that occur during the deepest stage of non-rapid eye movement (NREM) sleep are known as__________.

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Frightening, dreamlike experiences that occur during the deepest stage of non-rapid eye movement (NREM) sleep are known as sleep terrors. Sleep terrors differ from nightmares in that they involve a sudden arousal from slow-wave sleep with a piercing scream or cry and intense fear or panic, typically with no recollection of the event upon waking. Sleep paralysis involves temporary paralysis upon waking or falling asleep, while apneas are episodes of breathing cessation during sleep.

Frightening, Dreamlike Experiences That Occur During the Deepest Stage of Non-Rapid