4.1.5 - Sleep Disorders

Question 1

Sleep disorders

Answer 1

disturbances to typical sleep and waking patterns

Question 2

Circadian rhythm sleep disorders

Answer 2

sleep disorders that interfere with the typical regulation of the circadian rhythm of sleep, leading to a change in the sleep-wake cycle

Question 3

Delayed sleep phase syndrome (DSPS)

Answer 3

a circadian rhythm sleep disorder characterised by a delay in the timing of sleep onset and awakening compared with the timing that is desired

Question 4

Advanced Sleep Phase Disorder (ASPD)

Answer 4

a circadian rhythm sleep disorder characterised by an advance in the timing of sleep onset and awakening compared to the timing that is desired

Question 5

Shift Work

Answer 5

an occupation that involves working at usual hours, such as working overnight, this can mean an individual has to sleep at unusual times, such as during the day, rather than at night

Question 6

Insomnia

Answer 6

A sleep disorder characterised by difficulty falling asleep and staying asleep

Question 7

Fragmented sleep

Answer 7

This can involve repeatedly waking up during a sleep episode and having multiple short sleep episodes during the day (naps) as opposed to one regular sleep episode

Question 8

Circadian rhythm phase disorder

Answer 8

External cues from the environment are out of sync with shift work requirements, as shift workers can be in highly lit environments during the night-time

Question 9

Bright light therapy

Answer 9

a physiological treatment that involves timed exposure to intense, but safe amounts of artificial light