Sleep Science
How many hours of sleep does the average adult need each night to be able to stay awake and alert while driving
7-9 hours
What is the term used to describe extreme tiredness that slows reaction time and reduces focus?
Driver Fatigue
If you are having trouble remembering the last few kilometres, you are missing exits, and swerving between lanes, what might that mean?
That may be highway hypnosis.
What does a solid red traffic light mean?
You must stop.
What part of your body controls your sleep-wake cycle?
Circadian Rhythm
What time of day are drivers most likely to become drowsy?
Late at night or early morning.
What is the best and only reliable way to prevent drowsy driving?
Who has the right of way at a four way stop when two vehicles stop at the same time?
The vehicle on the right.
True or False: Your body can properly function off of 4 hours of sleep.
False, our bodies need 7-9 hours of sleep to function properly.
What might indicate that you are too tired to drive?
Yawning/heavy eyelids/ drifting in lane/ trouble focusing
How many hours of sleep should you aim to get before driving on a long trip?
Atleast 7-9 hours.
What does a flashing yellow traffic light mean?
Slow down and proceed with caution.
After being awake for 18 hours your driving ability is similar to having what blood alcohol concentration?
0.05 (The Legal Limit)
Driving for long periods of time without stopping for breaks.
Besides lack of sleep, what’s another factor that can make you drowsy while driving?
Soft music, alcohol, cannabis, warm temperatures.
Speed limits are set for safety, road conditions, and reaction time.
What stage of sleep is most important for restoring alertness and reaction time?
Deep sleep (slow wake sleep)
what is microsleep and why is it dangerous?
It is when you briefly fall asleep and it is dangerous because you can lose control very fast.
If you feel drowsy, should you brush it off and continue to drive?
No
What must you do when you approach a school bus with flashing red lights and the stop arm extended out.
You must stop atleast 5m away from the bus. Wait to continue until the lights have turned off and the arm has been pulled back in.