Sleep & Sleep Disturbances Quiz

The first ultradian rhythm of the night differs from the last ultradian rhythm of the night as the first ultradian rhythm of the night involves

• more time spent in non-rapid eye movement (NREM) sleep.

• more time spent in rapid eye movement (REM) sleep.

• only Stage 2 and Stage 3 of NREM sleep.

• frequent brief awakenings.

The following graph show the typical sleep cycles for which age group?

• infant

• adolescent

• elderly person

• young child

The following graph show the typical sleep cycles for which age group?

• infant

• adolescent

• adult

• elderly person

According to the restoration theory of sleep, younger people spend more time in REM sleep than the elderly

• in order to conserve energy and as protection from harm.

• in order to restore biological processes such as muscle and tissue repair.

• because experiencing more deep sleep at night enhances the chance of survival.

• in order to restore mental processes so that neural circuits are consolidated or strengthened.

Alison is in Year 11. On most weeknights she goes to bed after her parents as she often does not feel sleepy until midnight. She gets up each weekday morning at 6.00 am to go to school but feels tired during most school days. On weekends, when she can sleep uninterrupted, she seldom wakes up before 10.00 am.

Compared to her parents, Alison is likely to take longer to feel tired later at night due to

• a lack of change in her melatonin levels.

• a decrease in her melatonin levels.

• a delayed release of melatonin.

• an earlier release of melatonin.

Ari is a nurse who does shift work in a hospital. His roster usually consists of a week of night shifts followed by a week of day shifts. Ari has difficulty sleeping at night during the weeks of day shifts and is constantly tired. Ari’s doctor has recommended bright-light therapy to improve his sleep during weeks of day shifts.

It is likely that bright-light therapy will assist Ari by resetting his

• circadian rhythms as he is experiencing parasomnia.

• ultradian rhythms as he is experiencing parasomnia.

• circadian rhythms as he is experiencing a circadian phase disorder.

• ultradian rhythms as he is experiencing a circadian phase disorder.

The biological clock that regulates the sleep wake cycle is

• the SCN

• the pineal gland

• melatonin

• the eyes

The sleep stage with the lowest arousal threshold is

• NREM stage 1

• NREM stage 2

• NREM stage 3

• NREM stage 4

Cognitive Behavioural Therapy (CBT) can used as a treatment for

• insomnia

• sleepwalking

• delayed phase disorder

• jet lag

Which of the following is an affective side effect of sleep deprivation?

• poor memory

• moodiness

• microsleeps

• yawning