Module 17: Sleep Deprivation, Disorders, and Dreams

Insomnia

recurring problems in fully o staging a sleep

Narcolepsy

a sleep disorder characterized by uncontrollable sleep attacks. The sufferers may lapse directly into REM sleep, often at inappropriate times

Sleep apnea

a sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings

Sleep walking

a sleep disorder characterized by walking or performing other complex behaviors while still asleep. It usually occurs during the deep stages of non-rapid eye movement (NREM) sleep.

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 2 or 3 hours of falling asleep and are seldom remembered

Dream

a sequences of images, emotion, and thoughts passing through a sleeping person’s mind

What we dream (theory)

experiences during the day or week

why we dream (theory)

a collections of our repressed fears, desires, and emotions stemming from our current or past memories. They can represent repressed moments of anger and frustration towards our caregivers, or sexual feelings towards other people.

Manifest content

Event in someone’s dream

Latent content

Hidden meaning in a dream

Information processing

Dissemination of information

Physiological function

Role in memory consolidation

Activation-synthesis

Physiological processes take place as we sleep

Cognitive development

The ability to think

REM rebound

When you dream in the day