Stages Of Sleep

Question 1

Usually lasts an average of 10 minutes

Answer 1

Stage 1 sleep

Question 2

Called a light sleep or “half awake half asleep” stage

Answer 2

Stage 1 sleep

Question 3

Person my show a hypnotic jerk- reflex muscle contraction throughout the body

Answer 3

Stage 1 sleep

Question 4

EEG pattern- marked by presence of theta waves, which are lower in amplitude and frequency than alpha waves

Answer 4

Stage 1 sleep

Question 5

Fairly easy to awaken person in this stage

Answer 5

Stage 1 sleep

Question 6

People who are awakened from this stage report that they were awake

Answer 6

Stage 1 sleep

Question 7

Considered the onset of true sleep

Answer 7

Stage 2 sleep

Question 8

This stage averages 20 minutes

Answer 8

Stage 2 sleep

Question 9

Someone awakened from this stage reports being asleep

Answer 9

Stage 2 sleep

Question 10

EEG pattern- high frequency bursts of brain activity called sleep spindles

Answer 10

Stage 2 sleep

Question 11

Near the end of this stage delta waves begin to show

Answer 11

Stage 2 sleep

Question 12

The persons muscle tension, heart rate, respiration, and temperature begin to decline

Answer 12

Stage 2 sleep

Question 13

Persons eyes move slowly side to side

Answer 13

Stage 2 sleep

Question 14

Transition stage from wakefulness to sleep

Answer 14

Stage 1 sleep

Question 15

The persons muscle tension, heart rate, restriction, and temperature continue to decline

Answer 15

Stage 3 sleep

Question 16

EEG pattern- delta waves start to show more

Answer 16

Stage 3 sleep

Question 17

These stages are sometimes called slow wave sleep

Answer 17

Stages 3 and 4

Question 18

EEG pattern- high amplitude and very low frequency (delta waves)

Answer 18

Stage 4 sleep

Question 19

Delta waves must be at least 50% of the EEG pattern, will eventually constitute 100% of pattern

Answer 19

Stage 4 sleep

Question 20

Considered the deepest stage of sleep- most difficult to wake someone

Answer 20

Stage 4 sleep

Question 21

Sleep walking and sleep talking occur in this stage

Answer 21

Stage 4 sleep

Question 22

Children with night terrors have them in this stage

Answer 22

Stage 4 sleep

Question 23

Most people who do get up at this time don’t remember the experience or getting up

Answer 23

Stage 4 sleep

Question 24

Makes up approximately 20% of a persons sleep time

Answer 24

REM sleep

Question 25

The persons eyes most rapidly back and forth

Answer 25

REM sleep

Question 26

EEG pattern- fast frequency and low amplitude which looks just like beta waves (beta waves normally occur when a person is awake)

Answer 26

REM sleep

Question 27

Often called paradoxical sleep

Answer 27

REM sleep

Question 28

Heart rate and blood pressure have increases sometimes twice as high in this stage

Answer 28

REM sleep

Question 29

Person loses muscle tension and movement

Answer 29

REM sleep

Question 30

Most dreams reported during this stage

Answer 30

REM sleep

Question 31

A person deprived of REM sleep one night will have more REM sleep the next night

Answer 31

REM rebound