Sleep

Question 1

Which waves are found in stage 1 of sleep?

Answer 1

Stage 1 is light sleep and it is categorized by theta waves

Question 2

What types of waves are found in Stage 2 of sleep cycle.

Answer 2

Slightly deeper. THETA waves, sleep spindles, K

complexes. Decrease heart rate, decrease respiration, and decrease temperature.

Question 3

Stage 3 & 4 have what kind of sleep waves

Answer 3

Deep sleep. DELTA waves. Slow-wave sleep (SWS).
Most sleep disorders occur during stages 3 & 4 non-rapid eye movement (NREM) sleep. Growth hormone
released

Question 4

What waves are found when a person is awake?

Answer 4

Alpha waves

Question 5

What types of waves are found in REM sleep?

Answer 5

REM sleep. The mind appears awake on EEG, but the
person is asleep. Eye movements and body paralysis.
Mostly BETA waves.

Question 6

How long is the sleep cycle and what order?

Answer 6

90 min. Stages: 1-2-3-4-3-2-REM or 1-2-3-4-REM

Question 7

What hormone triggers sleepiness?

Answer 7

Melatonin

Question 8

Which hormone controls wakefulness?

Answer 8

Cortisol

Question 9

What is the activation synthesis theory?

Answer 9

Dreams result from brain activation during REM

sleep. Activation in brainstem, synthesis in cortex

Question 10

List disorders found in dyssomias.

Answer 10

Difficult to fall asleep, stay asleep, or

avoid sleep. Insomnia, narcolepsy, sleep apnea.

Question 11

List disorders found in parasonmia

Answer 11

Abnormal movements or behaviors

during sleep. Night terrors, sleepwalking.