This article was originally published by Erie Insurance on April 2, 2019.  The original post can be found here.

Daydreaming while driving is more dangerous than you’d think – and our new review of police data shows just when drivers might be “lost in thought” enough to cause a fatal crash.

According to a new review of Fatality Analysis Reporting System (FARS) data, Saturdays in September are the biggest days for fatal car crashes involving daydreaming while driving, and Tuesdays in February are lowest. The new review builds upon Erie Insurance’s previous analysis, which found that being “generally distracted” or “lost in thought” – otherwise known as daydreaming – is the number-one distraction noted in fatal crashes.