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Flashcards in Sleep Wake Cycle Deck (8)
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Sleep

State of consciousness.

1

Awake

Alpha rhythm brain waves (resting); beta rhythm brain waves (active thought).

2

Slow-wave sleep

Non-rapid eye movement cycle (90 min).

3

Stage 1

Light sleep, transition from waking.

4

Stage 2

Deeper sleep.

5

Stage 3

Slow wave (delta) sleep.

6

Stage 4

Deepest type of sleep.

7

REM sleep

Rapid eye movement cycles (10-15 minutes long, throughout sleep). Vivid dreams occur; body is paralyzed; important for memory consolidation and learning.