25: OCR Psychology Sleep & Dreaming: key concepts

During sleep, our brain flushes out (a)   , helping to prevent dementia in later life.

Sleep can boost our (a)   system, preventing illness.

Put the stages of sleep in the correct order:

awake, deep sleep, light sleep, REM sleep

• awake, deep, light, REM

• REM, awake, deep, light

• awake, light, REM, deep

• awake, light, deep, REM

In which stage of sleep do we dream the most?

• Awake/drowsy

• Light sleep

• Deep sleep

• REM sleep

Which hormone makes us feel sleepy?

• adrenaline

• cortisol

• melatonin

• serotonin

The 24 hour sleep/wake cycle is called the (a)   rhythm.

The suprachiasmatic nucleus is an example of what:

• endogenous zeitgeiber

• endogenous pacemaker

• exogenous zeitgeiber

• exogenous pacemaker

Light is an example of what:

• endogenous zeitgeiber

• endogenous pacemaker

• exogenous zeitgeiber

• exogenous pacemaker

If you can't fall asleep, you are suffering from what kind of insomnia?

(a)  

If you struggle to stay asleep, you are suffering from what kind of insomnia?

(a)