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School Study > Sleep and Dreams > Flashcards

Sleep and Dreams Flashcards

1
Q

What device is used to study sleep?

A

EEG

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2
Q

Why do people sleep? (3 reasons)

A

Restorative, brain recovers, adaptive process

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3
Q

What happens if someone doesn’t get enough sleep?

A

They will have psychological problems

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4
Q

What percent of the time do we spend in NREM sleeping?

A

75%

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5
Q

How long do we spend in stage 1?

A

10 minutes

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6
Q

How long do we spend in stage 2?

A

30 minutes

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7
Q

How long do we spend in stage 3?

A

10-20 minutes

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8
Q

How long do we spend in stage 4?

A

Hours

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9
Q

How long do we spend in REM?

A

15-45 minutes

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10
Q

How does REM sleep differ from other stages?

A

Your brainwaves are the same as when you are awake.

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11
Q

What happens to your body when in stage 1?

A

pulse slows, muscles relax, breathing uneven

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12
Q

What happens to your body when in stage 2?

A

eyes roll slowly side to side

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13
Q

What stage does uncommon events happen?

A

Stage 4

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14
Q

List some example of events happening in stage 4

A

Sleeptalking, sleepwalking, bedwetting

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15
Q

What does REM stand for?

A

Rapid Eye Movement

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16
Q

How much of our lives do we spend sleeping?

A

1/3

17
Q

How long does our circadian rhythm usually last?

A

24.18 hours

18
Q

Where do most dreams occur?

A

Commonplace settings/scenarios

19
Q

What emotions are most common in dreams?

A

Negative (Sadness, anxiety, anger)

20
Q

How far back are dream interpretations dated?

A

5000 B.C.

21
Q

Freud’s view on dreams?

A

Dreams contain hidden meanings. How the spiritual world interacts with us.

22
Q

Kleitman’s view on dreams?

A

Dreaming serves no function whatsoever.

23
Q

Crick’s view on dreams?

A

Dreams are a form of mental housecleaning. Brain’s way of removing unneeded memories.

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