3.3.1 Section D

Question 1

D1.1 What is sleep aponea?

Answer 1

The cessation of breathing during sleep?

Question 2

D1.2 What is a micro-sleep?

Answer 2

An out of consciousness and experience state which can last for up to 10 seconds. Drivers can have a micro-sleep with their eyes open.

Question 3

D1.3 When travelling at 80km/h, what distance is covered in 1 second?

Answer 3

22m in 1 second

Question 4

D1.4 What are the common symptoms of driver fatigue?

Answer 4

Inability to stay in a lane.

You have missed your exit.

Not sure of where you are.

Heavy eyelids.

Question 5

D1.5 What is the circadian rhythm?

Answer 5

Our biological time clock which influences when we feel energetic or sleepy. Most drivers will usually feel especially sleepy between midnight - 6am and 1pm - 4pm.

Question 6

D1.6 What is insomnia?

Answer 6

A medical condition where the person can’t sleep.

Question 7

D1.7 Driver fatigue is described as a sleeping what?

Answer 7

A sleeping killer.

Question 8

D1.8 How can you relieve fatigue?

Answer 8

Find a safe place to pull your vehicle over, drink a cup of coffee or caffeinate drink and take a 15-30min nap.
Any longer may leave you groggy.

Question 9

D1.9 What is the average sleep requirement per day.

Answer 9

Adults usually need between 6-8 hours of uninterrupted sleep every 24 hours.

Question 10

D1.10 What are night workers prone to?

Answer 10

Night-shift workers have the greatest risk of sleep disruption.