Ch. 8 Sleep disturbances and treatments

Question 1

Sleep disorder

Answer 1

A condition that consistently disrupts the normal NREM-REM sleep cycle

Question 2

Sleep - wake cycle

Answer 2

The rhythmic biological pattern of alternating sleep with wakefulness over a 24 hour period

Question 3

Circadian phase disorder

Answer 3

A sleep disorder that disturbs a person’s ability to sleep and wake for periods of time necessary to maintain good health and wellbeing

Caused by the sleep - wake cycle being out of sync with the natural night - day cycle of the external environment

Question 4

Sleep debt

Answer 4

The amount of sleep loss accumulated from an inadequate amount of sleep

Question 5

Delayed sleep phase disorder

Answer 5

A disorder of sleep timing in which a person’s sleep - wake cycle is routinely delayed by 2 hours or more from a normal sleep pattern

Question 6

Shift work

Answer 6

Hours of paid employment that are outside the period of a normal working day

Question 7

Shift work disorder

Answer 7

A circadian phase disorder caused by a person’s work hours being scheduled during the normal sleep period

Question 8

Jet lag

Answer 8

A temporary circadian phase disorder characterised by fatigue and sleep disturbance that results from a disruption of the body’s normal circadian rhythm following long periods of air travel through several time zones

Question 9

Partial sleep deprivation

Answer 9

Getting some sleep in a 24 - hour period but less than normally required for optimal daytime functioning

Question 10

Total sleep deprivation

Answer 10

Getting no sleep at all in a 24 - hour period

Question 11

REM rebound

Answer 11

The process whereby an individual experiences extra amounts of REM sleep after being deprived of it

Question 12

Acute partial sleep deprivation

Answer 12

A lack of adequate sleep time required for optimal daytime functioning; usually lasting 1 - 2 days

Question 13

Chronic partial sleep deprivation

Answer 13

Routinely sleeping less than the normal time needed for optimal daytime functioning

Question 14

Affective functioning

Answer 14

Emotional control or responsiveness

Question 15

Sleep deprivation psychosis

Answer 15

A disruption of mental and emotional functioning as a result of lack of sleep

Question 16

Dysomnias

Answer 16

A group of sleep disorders characterised by disturbance of a normal sleep pattern, including quality, amount and timing of sleep

Question 17

Parasomnias

Answer 17

A group of sleep disorders characterised by abnormal or unusual behaviour or physiological occurrence during sleep

Question 18

Insomnia

Answer 18

A sleep disorder characterised by the inability to fall asleep, frequent night - time waking or waking too early

Question 19

Sleep - onset insomnia

Answer 19

A sleep disorder characterised by an inability to fall asleep at the beginning of the night

Question 20

Sleep walking

Answer 20

A sleep disorder characterised by a sleeping person walking and sometimes completing routine activities

Question 21

Cognitive behavioural therapy (CBT)

Answer 21

The application of learning principles to change thought processes and human behaviour

Question 22

Bright light therapy

Answer 22

A treatment for circadian phase disorder that exposes people to intense amounts of artificial light for a length of time to help synchronise their sleep - wake cycle with the normal