Sleep Flashcards

1
Q

part of the brain that controls the sleep-wake cycle

A

Hypothalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

the internal clock that tells people when to wake up and when to fall asleep — area within the hypothalamus

A

Suprachiasmatic Nucleus (SCN)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

a cycle of bodily rhythm that occurs over a 24-hour period

A

Circadian Rhythm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

brief sidesteps into sleep lasting only a few seconds

A

Microsleeps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

theory of sleep proposing that animals and humans evolved sleep patterns to avoid predators by sleeping when predators are most active

A

Adaptive Theory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

theory of sleep proposing that sleep is necessary to the physical health of the body and serves to replenish chemicals and repair cellular damage

A

Restorative Theory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

any significant loss of sleep, resulting in problems in concentration and irritability

A

Sleep Deprivation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

two kinds of sleep

A

Rapid Eye Movement (R; REM) Sleep
Non-Rapid Eye Movement (N; NREM) Sleep

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

stage of sleep in which the eyes move rapidly under the eyelids and the person is typically experiencing a dream

A

Rapid Eye Movement (R; REM) Sleep

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

any of the stages of sleep that do not include REM

A

Non-Rapid Eye Movement (N; NREM) Sleep

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

smaller and faster brain waves, typically indicating mental activity

A

Beta Waves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

brain waves that indicate a state of relaxation or light sleep

A

Alpha Waves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

brain waves indicating the early stages of sleep

A

Theta Waves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

long, slow brain waves that indicate the deepest stage of sleep

A

Delta Waves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

stages of sleep cycle repeated 4-5 times a night

A

N1: Light Sleep
N2: Sleep Spindles
N3: Delta Waves Roll In
R: Rapid Eye Movement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

hypnogogic images or hallucination
hypnic jerk

A

N1: Light Sleep

17
Q

the body temperature continues to drop, heart rate slows, breathing becomes more shallow and irregular, and the EEG will show the first signs of sleep spindles

A

N2: Sleep Spindles

18
Q

the slowest and largest waves make their appearance — these waves increase during this stage from about 20 percent to more than 50 percent of total brain activity;
sleepwalking and night terrors occur in this stage;
slow-wave sleep (SWS)

A

N3: Delta Waves Roll In

19
Q

the sleeping person will go back up through N2 and then into a stage in which body temperature increases to near-waking levels, the eyes move rapidly under the eyelids, the heart beats much faster, and brain waves resemble beta waves

A

R: Rapid Eye Movement

20
Q

the inability of the voluntary muscles to move during REM sleep

A

Sleep Paralysis

21
Q

increased amounts of REM sleep after being deprived of REM sleep on earlier nights

A

REM Rebound

22
Q

bad dreams occurring during REM sleep

A

Nightmares

23
Q

a rare disorder in which the mechanism that blocks the movement of the voluntary muscles fails, allowing the person to thrash around and even get up and act out nightmares

A

REM Behavior Disorder (RBD)

24
Q

relatively rare disorder in which the person experiences extreme fear and screams or runs around during deep sleep without waking fully

A

Night Terrors

25
Q

occurring during deep sleep, an episode of moving around or walking around in one’s sleep

A

Sleepwalking (Somnambulism)

26
Q

the inability to get to sleep, stay asleep, or get a good quality of sleep

27
Q

disorder in which the person stops breathing for 10 seconds or more

A

Sleep Apnea

28
Q

sleep disorder in which a person falls immediately into REM sleep during the day without warning

A

Narcolepsy

29
Q

uncomfortable sensations in legs causing movement and loss of sleep

A

Restless leg syndrome

30
Q

painful cramps in calf or foot muscles

A

Nocturnal leg cramps

31
Q

excessive daytime sleepiness

A

Hypersomnia

32
Q

urinating while asleep in bed