Psychology of Sleep

Internal body clock

• circadian rhythms

• endogenous pacemakers

• exogenous zeitgebers

• ultradian rhythms

Breathing stops for a few seconds when sleeping

• sleep apnoea

• sleepwalking

• sleep cycle

• sleep awakening

Which of the following brain structures is primarily responsible for controlling our internal body clock?

• the hypothalamus

• the hippocampus

• the suprachiasmatic nucleus

• the frontal lobe

Early-morning awakening insomnia can be defined as ... .

• difficulty maintaining sleep

• trouble falling asleep at the beginning of the night

• trouble with waking up too early and not being able to go back to sleep

• sleeping a lot and still experiencing sleepiness

Select the most appropriate definition of insomnia!

• when an individual cannot fall asleep at the start of the night

• when someone struggles to stay awake in the middle of the day

• when an individual cannot stay asleep throughout the night

• an individual has difficulty falling, maintaining or staying asleep