effects of sleep deprivation Flashcards

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1
Q

What are 3 factors that influence the length of sleep needs?

A

Age
Genetics
Lifestyle

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2
Q

What is sleep deprivation?

A

caused by inadequate quality or lack of quantity of sleep

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3
Q

What are the 2 types of sleep deprivation?

A
  • partial sleep dep

- total sleep dep

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4
Q

What is partial sleep deprivation?

A

having less sleep than is normally required

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5
Q

What is total sleep deprivation?

A

having no sleep at all over a long period of time

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6
Q

What are the affective effects of partial sleep deprivation?

A

amplified emotional responses

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7
Q

What are examples of the affective effects of partial sleep deprivation?

A
  • feelings of fatigue
  • lack of motivation
  • heightened emotions
  • mood disturbances
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8
Q

What are behavioural effects of partial sleep deprivation?

A

sleep inertia
excessive sleepiness
microsleeps

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9
Q

What are examples of the behavioural effects of partial sleep deprivation?

A

slowed performance
clumsiness
risk-taking

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10
Q

What are the cognitive effects of partial sleep deprivation?

A

attention problems

learning and memory problems

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11
Q

What are the examples of the cognitive effects of partial sleep deprivation?

A
  • impaired attention
  • memory problems
  • tendency to perform bad on simple tasks
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12
Q

People who are sleep deprived have difficulty performing what kind of tasks?

A

simple

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13
Q

What does being deprived of REM sleep do?

A

decrease control over emotions

heightens emotions

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14
Q

What is sleep inertia?

A

when your performance is impaired after you wake up and commonly occurs after a poor nights sleep

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15
Q

What are microsleeps?

A

brief period of sleep that occurs when sleep deprived

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16
Q

What are the physiological effects of partial sleep deprivation?

A

slowed reflex responses
hand tremors
headaches

17
Q

What is chronic sleep deprivation?

A

not having enough sleep over a period of time

18
Q

What are the psychological effects of chronic sleep deprivation?

A

anxiety disorders

depression

19
Q

What are the physiological effects of chronic sleep deprivation?

A

heart disease
heartburn
obesity

20
Q

What is sleep debt?

A

added up from the amount of sleep lost due to insufficient sleep

21
Q

How can you overcome sleep debt?

A

good night sleeps

22
Q

Are the effects of sleep debt temporary or long term?

A

temporary

23
Q

What was the study on total sleep deprivation?

A

tested college students

  • ones who were sleep deprived
  • ones who slept the night before the test
24
Q

What were the results from the study on total sleep deprivation?

A

People who were sleep deprived = performed poorly on the test compared to those who slept
- though they performed better than they actually did

25
Q

What is the hat phenomenon?

A

feeling of tightness around the head as if you were wearing a hat that was too small

26
Q

What is sleep deprivation psychosis?

A

person experiences loss of self identity

- finds it difficult to cope with other people and the environment

27
Q

How do you overcome sleep deprivation?

A

long night’s sleep followed by a few good night sleeps

28
Q

What is the impact of Loss of REM on learning and memory?

A

REM = info is being consolidated

- lack of REM means no info is being consolidated or transferred over to LTM

29
Q

What is the impact on a loss of REM on mood disturbances?

A

REM = interrupts the release of neurotransmitters and allows brain receptors to recover
= lack of REM means mood issues will occur and cause irritability and grumpiness etc

30
Q

How do you compensate for lost REM?

A

REM rebound

- spend more time in REM to make up for the lost sleep

31
Q

What is REM rebound?

A

when you spend more time in REM after being previously deprived in order to try and compensate for the lost REM

32
Q

What is the impact of the loss of NREM?

A

NREM replenishes the body and recovers body tissue

  • lack of NREM = interferes with physical growth
  • prevents the release of the growth hormone
33
Q

What are the effects of sleep deprivation on driving?

A

can cause microsleeps and cause tragic accidents as drivers are asleep behind the wheel

34
Q

What is a microsleep?

A

brief and involuntary period of sleep in the midst of wakeful activity

35
Q

When do microsleeps occur?

A

during wakeful activity when we are sleep deprived

36
Q

How long do microsleeps last for?

A

3-15 seconds

37
Q

How do we prevent microsleeps?

A

avoid sleep deprivation + have short sleeps

38
Q

What are the benefits of microsleeps?

A

help beat sleep deprivation

39
Q

What are the consequences of microsleeps?

A

can fall asleep when driving and cause an accident

= tragic consequences