Sleep/wake cycles

Question 1

What does sleep depend on

Answer 1

homeostasis drive,, pressure system

Question 3

Sleep-wake homeostasis

Answer 3

a kind of timer, generating a pressure to sleep and regulates sleep intensity

Question 4

What is the body’s principal energy store?

Answer 4

glycogen

Question 5

how are stimulants effective for sleep prevention

Answer 5

they are adenosine receptor antagonists, dampening the effect

Question 6

What is the adenosine chemical

Answer 6

a neuromodulator

Question 7

REM

Answer 7

rapid eye movements

Question 8

stage 1 nrem

Answer 8

lightest sleep, muscles relax, eyes/heart/breathing slows

Question 9

stage 2 nrem

Answer 9

mainly slow waves, occasional rapid wave bursts, 50% of night

Question 10

stage 3 nrem

Answer 10

slowest brain waves, 20% delta waves, difficult to wake, deepest sleep

Question 11

2 components of REM

Answer 11

phasic, tonic

Question 12

EEG

Answer 12

electroencephalogram

Question 13

When does dreaming occur

Answer 13

anytime, but mainly REM sleep

Question 14

what is the POA

Answer 14

preoptic area, generates NREM sleep

Question 15

what is the AAS

Answer 15

ascending arousal system, promotes alertness

Question 16

main AAS neurotransmitters

Answer 16

serotonin, acetylcholine, noradrenaline