AP Psychology Review: Sleep and Dreaming
Manifest Dream Content
The narrative story of a dream that sometimes provides allusions to the latent content (deeper meaning of a dream). Freud believed that your unconscious uses distortions in the manifest dream content like condensation and substitution to reveal clues to one's innermost thoughts.
Latent Dream Content
According to psychoanalyst Sigmund Freud, the latent content of a dream is the hidden psychological meaning of the dream. Freud believed that the content of dreams is related to wish fulfillment and suggested that dreams have two types of content: manifest content and latent content. The manifest content is the actual literal subject-matter of the dream, while the latent content is the underlying meaning of these symbols.
circadian rhythm
the biological clock; regular bodily rhythms (for example, of temperature and wakefulness) that occur on a 24-hour cycle.
Sleep Walking
walking during non-REM sleep
Paradoxical Sleep
a recurring sleep state during which dreaming occurs
REM sleep
a recurring sleep state during which dreaming occurs
NREM sleep
a recurring sleep state during which rapid eye movements do not occur and dreaming does not occur
Dream
a series of mental images and emotions occurring during sleep
Narcolepsy
a sleep disorder characterized by sudden and uncontrollable episodes of deep sleep
Sleep Apnea
a sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings
Nightmare
a terrifying or deeply upsetting dream
Insomnia
an inability to sleep
Sleep Deprivation
any significant loss of sleep, resulting in problems in concentration and irritability
Lucid Dreaming
awareness that a dream is a dream while it is happening
Delta Sleep
deepest sleep cycle
Jet Lag
fatigue and sleep disturbance resulting from disruption of the body's normal circadian rhythm as a result of jet travel