Sleep and Dreams - AP Psychology

Front

What is the circadian rhythm?

Back

A natural, internal process that regulates the sleep-wake cycle and other bodily functions over a 24-hour period.

Front

What is sleepwalking?

Back

A sleep disorder where a person gets up and walks around while still asleep.

Front

Which dream theory suggests dreams are the mind's attempt to make sense of random neural activity in the brain while one sleeps?

Back

Activation synthesis.

Front

In REM sleep, what blocks our movement, preventing us from acting out our dreams?

Back

Brain stem.

Front

What is sleep deprivation?

Back

The condition of not having enough sleep.

Front

What is REM sleep?

Back

Rapid Eye Movement sleep, a stage of sleep characterized by rapid movement of the eyes, increased brain activity, and vivid dreams.

Front

What is the role of the hypothalamus in sleep regulation?

Back

The hypothalamus helps regulate sleep-wake cycles by controlling the release of hormones like melatonin.

Front

What are sleep cycles?

Back

Sleep cycles are the progression through different stages of sleep, including REM and non-REM sleep, typically lasting about 90 minutes.

Front

What is insomnia?

Back

A sleep disorder characterized by difficulty falling asleep, staying asleep, or waking up too early.

Front

What is the function of dreams according to the cognitive development theory?

Back

Dreams reflect the dreamer's cognitive development and problem-solving abilities.