SLEEP

Question 1

What is the circadian rhythm?

Answer 1

Biological clock that runs a 24 hr day-night cycle

Question 2

What 2 processes does your body use to regulate sleep?

Answer 2

1. Homeostatic process (Process S)
2. Circadian Process (Process C)

Question 3

What does Process S do?

Answer 3

It regulates the length & depth of sleep

Question 4

What does the Process C do?

Answer 4

It influences the internal organization of sleep & the timing and duration of sleep-wake cycles

Question 5

Do process S and C operate simultaneously to regulate sleep?

Answer 5

Yes

Question 6

The time of wake-up is defined by what?

Answer 6

The intersection of Process S and Process C

Question 7

What is N1?

Answer 7

Light sleep, easy to wake

Question 8

What is N2?

Answer 8

Still light sleep, but a littler deeper than N1

Question 9

What is N3?

Answer 9

Deep sleep –> restorative sleep, body repairs itself