Sleep- AP Psych

Conciousness

The state of being aware

Circadian Rhythm

The internal process that regulates the sleep-wake cycle

Jet Lag

A temporary disruption of the body’s circadian rhythm

NREM Stage 1

Characterized by drifting in and out of sleep

NREM Stage 2

Characterized by light sleep, lasts about 20 minutes

NREM Stage 3

Characterized by predominantly delta waves

REM Sleep

A stage of sleep characterized by rapid eye movement and vivid dreams

REM Rebound

The phenomenon where the body increases the time spent in REM sleep

Activation Synthesis

A theory proposing that dreams are the result of random neural activity

Consolidation Theory

A theory that dreams play a role in the memory consolidation process

Insomnia

A sleep disorder characterized by difficulty falling asleep

Narcolepsy

A sleep disorder characterized by excessive daytime sleepiness

Sleep Apnea

A sleep disorder where there are pauses in breathing while asleep

REM Sleep Disorder

A sleep disorder where somebody physically acts out their dreams

Somnabulism

A sleep disorder commonly known as sleepwalking

Delta Waves

The hallmark of Stage 3 and 4 of non-rapid eye movement sleep. 

Alpha Waves

Typically observed when a person is in a state of relaxed wakefulness