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From the Centers for Disease Control and Prevention
February 27, 2013

Drowsy Driving—19 States and the District of Columbia, 2009-2010

JAMA. 2013;309(8):760-762. doi:10.1001/jama.2013.105

MMWR. 2013;51/52:1033-1037.

2 tables omitted. Available at http://www.cdc.gov/MMWr/pdf/wk/mm6151.pdf

According to the National Highway Traffic Safety Administration (NHTSA), 2.5% of fatal motor vehicle crashes (approximately 730 in 2009) and 2.0% of all crashes with nonfatal injuries (approximately 30,000 in 2009) involve drowsy driving.1 However, although data collection methods make it challenging to estimate the number of crashes that involve drowsy drivers, some modeling studies have estimated that 15% to 33% of fatal crashes might involve drowsy drivers.2,3 Fatalities and injuries are more likely in motor vehicle crashes that involve drowsy driving compared with non-drowsy driving crashes.1,4 To assess the state-level self-reported prevalence of falling asleep while driving, CDC analyzed data from a set of questions about insufficient sleep administered through the Behavioral Risk Factor Surveillance System (BRFSS) during 2009-2010. Among 147,076 respondents in 19 states and the District of Columbia (DC),* 4.2% reported having fallen asleep while driving at least one time during the previous 30 days. Reports of falling asleep while driving were more common among adults who reported usually sleeping ≤6 hours per day, snoring, or unintentionally falling asleep during the day compared with other adults who did not report these characteristics. Drivers should avoid driving while drowsy and learn the warning signs of drowsy driving.

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