Year 10 - Sleeping phenomenon and dreaming (2)

Many aspects of sleep and the brain have been learnt from:

• Sleep studies

• Pictures of our brain waves on an EEG (electroencephalogram)

• three-dimensional X-rays taken of the brain using CAT (computed tomography) scan.

• Images depicting active parts of our brain using PET (Positron emission tomography) scans.

What does this diagram show?

• PET scan during sleep cycles

• EEG scan during sleep cycles

• Heart rate during sleep cycles

• The characteristic brain waves during sleep cycles

During what stages of sleep does sleep walking occur?

• In stages 1 and 2

• In stages 3 and 4

• During REM sleep

• In stages 1 and 3

During what stage of sleep does sleep eating occur?

• When dreaming about food

• During REM sleep

• During NREM sleep

• All of the above

This sleep disorder involves a state of consciousness whereby we are half awake, half asleep and occurs in deeper stages of NREM sleep (stage 3 and 4)

• Sleep walking

• REM disorder

• Sleep apnea

• Night terrors

This sleep disorder is more common in woman.

• Sleep walking

• Sleep talking

• Sleep eating

• Sleep apnea

When a person does not experience muscle atonia (paralysis), what sleep disorder are they suffering from?

• Sleep Apnea

• Night terrors

• Sleep eating

• REM behaviour disorder

90% of dreams occur during what stage of sleep?

• Stage 1

• Stage 2

• Stage 3&4

• REM

Types of dreams that occur only during NREM sleep cycles.

• Daydreaming

• Lucid dreams

• Night terrors

What enables us to sort through the days events, and to consolidate what we have learnt during the day.

• Stage 1&2 sleeping

• Stage 3&4 sleeping

• Stage 1&2 dreaming

• REM dreaming