Tips to avoid falling asleep at the wheel  
(Excerpt from Reader’s Digest  June 1994)
First you know you are sleep deprived and vulnerable to falling asleep at the wheel when:

Here are some tips offered by Biological Psychologist David Dinges to ensure a safe drive;

If you’ve ever been driving and realized you could not remember what happened a few moments before, you may have experienced “micro sleep”, a one to 15 second loss of awareness. Micro sleep is a clear warning that you need to get off the road immediately.

Your next lapse could be your last!