8. The Sleep-Circadian Interface

Question 1

Our daily lives are controlled by at least 3 clocks. What are they called?

Answer 1

1. Local clock
2. Sun clock
3. Biological clock

Question 2

What is the local close?

Answer 2

The “official” time of day in whatever time zone you’re in

Question 3

What is the sun clock?

Answer 3

Based on rotation of Earth around its own axis and the sun

Question 4

What is the biological clock?

Answer 4

(aka circadian clock)
internal clock that controls most things in our biology
most internal processes have rhythm that is near 24-hours

Question 5

In humans, the biological clock likely evolved to be synchronised to what?

Answer 5

The SUN clock