sleep

Question 1

Psychological Constructs

Answer 1

Explain things that we believe exist but cannot see, touch or measure in any way.

Question 2

Sleep Stages

Answer 2

REM (Rapid Eye Movement) NREM (Non-Rapid Eye Movement)

Question 3

REM Sleep

Answer 3

Period of sleep with rapid eye movement and dreaming

Question 4

NREM Sleep

Answer 4

Characterised by slow and synchronised brain wave activity and the absence of rapid eye movements.

Question 5

Melatonin

Answer 5

A hormone that causes sleepiness in humans

Question 6

Sleep-Wake Cycle

Answer 6

24-hour sleep pattern consisting of 16 hours of daytime wakefulness and 8 hours of night-time sleep

Question 7

Circadian Rhythm

Answer 7

Rhythms occuring once every 24 hours (e.g. sleep-wake cycle)

Question 8

Stage 1 NREM Sleep

Answer 8

Relaxed state during transition from awake to asleep

Question 9

Stage 2 NREM Sleep

Answer 9

Deeper stage of sleep, still easy to wake from

Question 10

Stage 3 NREM Sleep

Answer 10

Start of deep sleep, less responsive to external stimuli

Question 11

Stage 4 NREM Sleep

Answer 11

Deepest sleep, difficult to wake from

Question 12

Hypnogogic

Answer 12

Relaxed state with hallucinatory images and muscle twitches

Question 13

Delayed Sleep-Wake Phase Disorder

Answer 13

Circadian phase disorder that delays sleep patterns

Question 14

Muscle Atonia

Answer 14

Paralysis of muscles during REM sleep

Question 15

Hypnogram

Answer 15

Graph showing sleep cycles