Police investigate second scene after woman found dead in Chester
Woman falls from balcony at Essex Village weeks after CBS 6 investigation

STUDY: Drowsy driving more prevalent than previously thought

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

(CBS News) — Getting enough sleep before you get behind the wheel could save your life.

Researchers at the Virginia Tech Transportation Institute found fatigue is a cause in 20 percent of accidents. That’s more than previous studies have shown.

They equipped 100 cars with cameras to monitor drivers. Data collected showed that people who drive while tired are four times more likely to get in a crash or near crash.