The Sleep Cycle

Question 1

Whats the first stage of the sleep cycle?

Answer 1

1. Alpha waves
2. Light sleep
3. Slowing of muscles
4. Decreased heartrate
5. Slower breathing
6. Occasional hypnagogic twitch (dogs)

Question 2

Whats the second stage of the sleep cycle?

Answer 2

1. Theta waves
2. Decreased heart rate
3. Slower breathing
4. Temperature drops

Question 3

Whats the third stage of the sleep cycle?

Answer 3

1. Core/SWS sleep begins so delta waves begin

Question 4

Whats stage four of the sleep cycle?

Answer 4

1. Deepest sleep
2. Lowest Heartrate
3. Slowest breathing
   4.Little body movement
4. Long slow delta waves
5. Growth hormone is released

Question 5

How does the sleep cycle end?

Answer 5

Brainwaves return to beta waves with rapid eye movements. HR and BR increases and all to near waking levels. Muscles are relaced and cannot move until back to 2.

Question 6

What is NREM?

Answer 6

Where everything is repaired in the brain and is needed a lot for babies because this where the growth stage happens