Chapter 8B

Question 1

circadian rhythm sleep disorders

Answer 1

are a category of sleep disorders characterised by a persistent patter of sleep disruption due to a misalignment between the circadian rhythm and the sleep-wake schedule required by a person.

Question 2

bright light therapy

Answer 2

involves exposing a person to light for a specific amount of time to reset the sleep-wake cycle.

Question 3

delayed sleep phase syndrome

Answer 3

is 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

Answer 4

is 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

can cause a circadian rhythm sleep disorder when a person regularly works outside of normal business hours, particularly at night and the very early morning,