25: OCR Psychology Sleep & Dreaming: key concepts

During sleep, our brain flushes out _____, helping to prevent dementia in later life.

Sleep can boost our ______ 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 ______ 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?

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