Dream
A sequence of images, emotions & thoughts passing through a sleeping person’s mind. Dreams are notable for their hallucinatory imagery, discontinuities, & incongruities, and for the dreamer’s delusional acceptance of the content & later difficulties remembering it.
Manifest Content
According to Freud, the remembered story line of a dream (as distinct from its latent, or hidden content)
Latent Content
According to Freud, the underlying meaning of a dream (as distinct from its manifest content
REM Rebound
The tendency for REM sleep to increase following REM sleep deprivation (created by repeated awakenings during REM sleep)