- the other driver stating how tired or sleepy he/she is (or an admission of falling asleep while driving)
- excessive yawning or bloodshot or baggy eyes
- the lack of skid marks on the road, which could indicate that the driver wasn’t alert enough to try to correct his/her error or avoid the crash (like drunk drivers often do)
- Incorporate the proper amount of sleep into your normal routine.
- Try to avoid driving between 2am and 6am.
- Be aware of a natural dip in your body’s circadian rhythm during the day, which often occurs between 2pm and 4pm.
- Seek treatment for any sleep disorders you may be suffering from.
- Avoid driving long distances late at night; or at least stop every two hours to give your body a break.
- Pull over and take a 10 to 20 minute nap if you are feeling drowsy on a long trip, especially at night.