Chapter 8 KEY TERMS

Question 1

Advanced sleep phase disorder (ASPD)

Answer 1

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 2

Affective functioning

Answer 2

the attitude or emotion elicited by a stimulus (such as sleep deprivation)

Question 3

Behavioural functioning

Answer 3

The effects on behaviour elicited by a stimulus (such as sleep deprivation)

Question 4

Blood-alcohol concentration (BAC)

Answer 4

A measure of alcohol in the body expressed as grams of alcohol/100 mL of blood

Question 5

Blue light

Answer 5

Colour in the visible light spectrum that can be seen by human eyes
E.g
- sunlight
- phone screens
- LED lights ect

Question 6

Bright light therapy

Answer 6

A technique for treating circadian rhythm sleep disorders by using timed exposure of the eyes to light in order to shift an individuals sleep-wake cycle to a desired, more appropriate or conventional schedual

Question 7

Circadian rhythm sleep disorder

Answer 7

A sleep disorder involving sleep disturbance that is primarily due to a mismatch between an individual’s sleep-wake pattern and the pattern that is desired or required

Question 8

Cognitive functioning

Answer 8

The effects on cognitive processes
elicited by a stimulus (such as sleep deprivation)

Question 9

Daylight

Answer 9

Natural light from the sun

Question 10

Delayed sleep phase syndrome (DSPS)

Answer 10

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

Question 11

Eating and drinking pattern

Answer 11

What a person eats or drinks and when

Question 12

Emotional reactivity

Answer 12

The tendency to experience frequent and intense emotional arousal

Question 13

Entrainment

Answer 13

Process of adjusting or resetting a biological rhythm to align with external cues or an environmental cycle

Question 14

Fixed shift work schedule

Answer 14

When employees work the same shift on a regular, ongoing basis

Question 15

Microsleep

Answer 15

A very short period (e.g. a few seconds) of involuntary sleep

Question 16

Partial sleep deprivation

Answer 16

Involves having less sleep (either
quantity or quality) than what is normally required

Question 17

Rotating shift work schedule

Answer 17

When employees change shifts
every so often to work a mix of day and/or afternoon and/or night shifts

Question 18

Shift work disorder

Answer 18

A circadian rhythm sleep disorder due to work shifts being regularly scheduled during the usual sleep period; work shifts overlap with all or part of the sleep period, requiring adjustment of sleep and wake times to the work times;

Question 19

Sleep debt

Answer 19

The accumulated amount of sleep loss due to insufficient sleep

Question 20

Sleep deprivation

Answer 20

Inadequate quantity or quality of sleep

Question 21

Sleep disorder

Answer 21

Any sleep disturbance that is persistent and regularly disrupts sleep, causing distress or impairment in important areas of everyday life during normal waking hours

Question 22

Sleep disturbance

Answer 22

Any sleep-related problem that disrupts an individual’s normal sleep–wake cycle

Question 23

Sleep hygiene

Answer 23

Practices that tend to improve and maintain good sleep and full daytime alertness

Question 24

Sleep inertia

Answer 24

A temporary period of reduced alertness and performance impairment that occurs immediately after awakening, especially after a poor night’s sleep and if abruptly awakened

Question 25

**Sleep quality**

Answer 25

How well a person `feels` they have slept

Question 26

**Sleep quantity**

Answer 26

The `amount` of sleep a person gets

Question 27

**Sleep-wake cycle**

Answer 27

a `change` (advancement or delay) in the `timing` of the major sleep episode

Question 28

**Temperature**

Answer 28

the `degree` or intensity of `heat` present in a person, substance or object

Question 29

**Total sleep deprivation**

Answer 29

not having any sleep at all over a `short-term or long-term period`

Question 30

**Zeitgeber**

Answer 30

An environmental time cue