Consciousness, Sleep, and Drugs - Sleep Overview

A set of flashcards covering circadian rhythms, the stages of sleep, brain waves, and various sleep disorders based on the lecture notes.

What are circadian rhythms?

Bodily patterns that repeat every $24\,hrs$.

According to the lecture notes, what are the two main functions of sleep?

Grow and Restore.

Which type of brain waves are associated with being awake?

BETA Waves.

Which type of brain waves are associated with being drowsy?

Alpha waves.

What brain waves occur during Stage 1 of sleep?

Theta waves.

What characterizes the brain waves in Stage 2 of sleep?

More intense THETA Waves.

Which brain waves are found in Stage 3 and 4 of sleep?

DELTA Waves.

What is another name for Stage 5 of sleep?

REM sleep (Rapid eye movement).

How long is one standard sleep cycle?

$90\,min$.

How is early insomnia defined?

Trouble falling asleep.

What is middle insomnia?

Waking up in the middle of the night.

What is the definition of late insomnia?

Waking up too early in the morning.

What occurs during sleep apnea?

Struggles with breathing during sleep.

What is the primary symptom of narcolepsy?

Falling asleep during the daytime.