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study this > Psych sleep > Flashcards

Psych sleep Flashcards

1
Q

beta waves

A

alert state (fastest)

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2
Q

Alpha waves

A

relaxed

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3
Q

Theta waves

A

Transition from fast to slow

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4
Q

Delta waves

A

deep sleep (Slowest)

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5
Q

stage 1

A

light sleep
10-30 mins
alpha to theta

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6
Q

Hypnagogic images

A

see flashes of light, shadows or an aura of light

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7
Q

Hypnic jerk

A

involuntary spasim of your limbs

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8
Q

Stage 2

A

Moderate sleep
10-30 mins
50% of sleep
presence of sleep spindles

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9
Q

Sleep spindles

A

burst of activity of EEG waves

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10
Q

Stage 3

A

slow wave sleep
intro to delta waves
10 mins

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11
Q

stage 4

A

deep sleep
35-40 mins
delta wave dominant

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12
Q

sleep cycle

A

stage 1> stage 2> stage 3> stage 4> stage 3 > stage 2> REM
each cycle last’s about 90 mind

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13
Q

REM (Rapid Eye Movement) Sleep

A

eyes move rapidly under eyelids
could last hours
when a person is typically experiencing a dream

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14
Q

Sleep deprevation

A

loss of sleep
micro sleep
breif sidesteps into sleep lasting only a few seconds

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15
Q

Sleep debt

A

depriving oneself of sleep throut the week accumulates into sleep “debt” that we attemt to sleepoff during weekends

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16
Q

effects of sleep deprivation
cognitive

A

concentration, memory, and thinking clearly

17
Q

effects of sleep deprivation
physical

A

eyelids, general fatigue, reaction time

18
Q

effects of sleep deprivation
emotional

A

irritability, highly sensitive, depressed mood

19
Q

How much sleep is needed?

A

7.5-8 hours a night average
biologically determined

20
Q

Narcalepsy

A

Uncontrollable sleep attacks, inappropriate melotonane realise

21
Q

Sleep Apnea

A

Temporary cessation of breathing, momentary reawakening

22
Q

Insomnia

A

Persistant problems in falling or staying asleep

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