The demand for sleep (notes set 2)

What are the two types of sleep experienced throughout the night?

• REM and NREM sleep

• Light and Deep sleep

• Alpha and Beta sleep

• Stage 1 and Stage 2 sleep

How long does a complete sleep cycle last on average in a normal night's sleep?

• 30 minutes

• 60 minutes

• 90 minutes

• 120 minutes

What is the term used to describe the combination of NREM Stages 3 and 4 in the updated study design?

• REM Stage

• N3 - Slow-wave sleep

• Light sleep

• Deep sleep

What is fundamentally necessary for?

• To dream

• Physical and mental growth and recovery.

• Allow us to stay awake longer

• To increase brain activity

How many sleep cycles does an average healthy young adult typically experience in a normal night's sleep?

• 3 cycles

• 4 cycles

• 5 cycles

• 6 cycles

What is the typical duration of a sleep cycle?

• ~60 minutes

• ~90 minutes

• ~120 minutes

• ~30 minutes

In the first sleep cycle, which stage of sleep do we typically start with?

• N1

• N2

• N3

• REM

As the night progresses, what happens to the REM sleep periods?

• They get shorter and further apart

• They get longer and closer together

• They remain the same

• They disappear completely

During which part of the night does most deep sleep occur?

• First half

• Second half

• Middle

• Throughout equally

During which part of the night does the most N3 sleep occur?

• First half of the night

• Second half of the night

• Middle of the night

• Throughout the night equally