Sleep

Question 1

Brain waves

Answer 1

BAT-D
mnemonic for sequential order of brain waves

Beta
Alpha
Theta
Delta

Question 2

Stage 1 sleep

Answer 2

light sleep

THETA waves

Question 3

Stage 2 sleep

Answer 3

slightly deeper

THETA waves
sleep spindles
K complexes

decrease HR, respiration, temperature

Question 4

Stages 3 and 4 sleep

Answer 4

Deep sleep

Slow wave sleep (SWS)

DELTA waves

most sleep disorders occur during stage 3 and 4 non-REM sleep

growth hormone released

Question 5

Rapid Eye Movement

Answer 5

REM sleep

Mind appears awake on EEG, but the person is asleep

Eye movements and body paralysis

mostly BETA waves

Question 6

Sleep cycle

Answer 6

90 min

1-2-3-4-3-2-REM

or 1-2-3-4-REM

Question 7

Circadian Rhythm

Answer 7

24 hours

Melatonin triggers sleepiness

Cortisol promotes wakefulness

Question 8

Dreaming

Answer 8

mostly during REM

Question 9

Activation-synthesis theory

Answer 9

Dreams result from brain activation during REM sleep

Activation in brainstem

Synthesis in cortex

Question 10

Sleep disorders (2 types)

Answer 10

1. Dyssomnias

2. Parasomnias

Question 11

Dyssomnias (3)

Answer 11

Difficult to fall asleep, stay asleep, or avoid sleep

1. insomnia
2. narcolepsy
3. sleep apnea

Question 12

Parasomnias (2)

Answer 12

Abnormal movements or behaviors during sleep

1. night terrors
2. sleep walking