Myers' Psychology for AP®, 2e, Module 24

dream

a sequence of images, emotions, and thoughts passing through a sleeping person's mind. Dreams are notable for their hallucinatory imagery, discontinuities, and incongruities, and for the dreamer's delusional acceptance of the content and later difficulties remembering it. (p. 240)

night terrors

a sleep disorder characterized by high arousal and an appearance of being terrified; unlike nightmares, night terrors occur during NREM-3 sleep, within two or three hours of falling asleep, and are seldom remembered. (p. 239)

sleep apnea

a sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings. (p. 239)

narcolepsy

a sleep disorder characterized by uncontrollable sleep attacks. The sufferer may lapse directly into REM sleep, often at inopportune times. (p. 238)

manifest content

according to Freud, the remembered story line of a dream (as distinct from its latent, or hidden, content). (p. 241)

latent content

according to Freud, the underlying meaning of a dream (as distinct from its manifest content). (p. 241)

insomnia

recurring problems in falling or staying asleep. (p. 238)

REM rebound

the tendency for REM sleep to increase following REM sleep deprivation (created by repeated awakenings during REM sleep). (p. 243)