NSF Sleep in America poll results http://drowsydriving.org/about/facts-and-stats/ drowsydriving.org/about/facts-and-stats he National Highway Traffic Safety Administration drowsydriving.org/about/facts-and-stats Drowsy Driving.org National Highway Traffic Safety Administration National Sleep Foundation National Sleep Foundation DrowsyDriving.org DrowsyDriving.org DrowsyDriving.org National Highway Traffic Safety Administration The U.S. Department of Transportation estimated study National Sleep Foundation National Highway Traffic Safety Administration The U.S. Department of Transportation estimated wheel twice as likely National Sleep Foundation double your risk 1550 annual fatalities Facts and Stats National Sleep Foundation’s Sleep in America car crashes 1550 annual fatalities about 100,000 National Highway Traffic Safety Administration National Highway Traffic Safety Administration DrowsyDriving.org Drowsy Driving Facts and Stats double your risk doubles your risk of falling asleep at the wheel NSF http://drowsydriving.org/about/facts-and-stats/ Drowsy Driving.org View Website National Highway Traffic Safety Administration wheel National Sleep Foundation DrowsyDriving.org http://drowsydriving.org/about/facts-and-stats/ study National Sleep Foundation drowsydriving.org approximately 100,000 crashes study cites a study http://drowsydriving.org/about/facts-and-stats/ http://drowsydriving.org/about/facts-and-stats/ Drowsy Driving Prevention Week wheel In 2005 drowsydriving.org 100,000 reported accidents http://drowsydriving.org http://drowsydriving.org/about/facts-and-stats/ survey National Sleep Foundation National Sleep Foundation Sleep deprivation National Sleep Foundation, 2005 Sleep in America 100,000 reported accidents Drowsy Driving Facts and Stats Org: Facts and Stats National Sleep Foundation drowsydriving.org study