M9.4 (sleep)

Question 1

How much sleep is required?

Answer 1

8hrs every 24hrs

Question 2

Why do we need sleep?

Answer 2

So mind and body can be restored

Question 3

Can you work with less then 8hrs sleep?

Answer 3

Yes but the sleep defect will need to be rectified

Question 4

Sleep rule of thumb?

Answer 4

1hr sleep = 2hr activity

Question 5

Circadian rhythm?

Answer 5

Describes the body clock.
Controls the alternation between sleep and wakefulness.

Question 6

What controls the circadian rhythm?

Answer 6

Brain but influenced by external factors such as light

Question 7

How long is the circadian cycle?

Answer 7

25hrs

Question 8

What are the 2 types of fatigue?

Answer 8

Physiological fatigue
Subjective fatigue

Question 9

Physiological fatigue?

Answer 9

The body’s need for replenishment and restoration

Question 10

Physiological fatigue is linked to what?

Answer 10

Physical activity levels, current health, alcohol consumption and circadian rhythm

Question 11

How is physiological fatigue remedied?

Answer 11

Rest and sleep

Question 12

Subjective fatigue?

Answer 12

How sleepy a person feels

Question 13

What is subjective fatigue caused by?

Answer 13

Delayed sleep
Sleep loss
De synchronisation of cadmium rhythm