On a long motorway journey boredom can cause you to feel sleepy. You should
Leave the highway and find a safe place to stop
Stop on the hard shoulder for a rest
Ensure a supply of fresh air into your vehicle
Explanation: Drowsy driving is dangerous because sleep deprivation can have similar effects on your body as drinking alcohol. Being awake for 18 hours straight makes you drive like you have a blood alcohol level of .05 (for reference, .08 is considered drunk). If you’ve been awake for a full 24 hours and drive—say, after a night where you just couldn’t fall asleep—it’s like you have a blood alcohol level of .10.
