chapter 15 sleep deprivation Flashcards
1
Q
age
A
teens - 9-10 hours
young child - more
adults - less
2
Q
lifestyle
A
- working day or night shifts
- people alter their sleep routines as responsibilities, relationships and stressors change with age
- good sleepers have a regular bed time and rise time
3
Q
genetics
A
- twins have similar sleeping patterns
- females tens to need more sleep than males, thus more likely to be sleep deprived
4
Q
partial sleep deprivation
A
- person does not get the amount of sleep they need (poor quantity sleep) or are deprived of one particular stage of sleep (poor quality sleep)
5
Q
effects of partial sleep deprivation (feeling)
A
- mood disturbances (amplified emotional response, confusion and irritability)
- previously enjoyed activities seem boring
- lack of motivation
- fatigue
6
Q
effects of partial sleep deprivation (behavioural)
A
- slowed performance
- clumsiness
- risk taking behaviour
- problems performing tasks (simple monotonous tasks or ones requiring sustained attention)
7
Q
effects of partial sleep deprivation (cognitive)
A
- difficulty concentrating
- difficulty processing information
- memory problems
- impaired activity
- distorted perceptions
- poor decision making
8
Q
effects of partial sleep deprivation (physiological)
A
- lower reflexes
- hand tremors
- droopy eyelids
- heightened sensitivity to pain
- headaches
- lower energy levels
9
Q
chronic sleep deprivation
A
- not having enough sleep over an extended time period
10
Q
chronic sleep deprivation effects
A
- depression
- hypertension
- diabetes
- obesity
11
Q
chronic sleep deprivation process
A
- increased levels of cortisol (stress related hormone related to alertness) that interferes with immune functioning
- increased cortisol levels have links to damage of brain cells responsible for learning and memory
12
Q
sleep debt
A
accumulated amount of sleep loss from insufficient sleep
- can be repaid but does not need to be exact amount of sleep lost
13
Q
total sleep deprivation
A
- feel irritable
- suffer from ‘hat phenomenon’, feeling of tightening around the head as though a hat that is too small is being worn
- can cause ‘sleep deprivation psychosis’ where person experiences loss of sense of personal identity and increased difficulty in coping with other people and the environment
14
Q
loss of REM and NREM sleep
A
REM and stage 3 and 4 NREM play crucial roles
- e.g. new parents are likely to be REM sleep deprived as their sleep is constantly interrupted throughout the night for months
- REM for psychological wellbeing and NREM for physiological wellbeing
15
Q
REM and memory and learning
A
- high level of brain activity helps consolidation of newly learnt information
transferred to long term memory; not getting enough will cause memory problems
