Expert Panel Concludes that Two Hours of Sleep Is Not Enough for Drivers

Home >> Expert Panel Concludes that Two Hours of Sleep Is Not Enough for Drivers
Date:
Friday, November 6, 2015

FOR IMMEDIATE RELEASE

Email: nsfmedia@sleepfoundation.org

Expert Panel Concludes that Two Hours of Sleep Is Not Enough for Drivers

WASHINGTON, DC, ( November 6, 2015)-- The National Sleep Foundation (NSF), along with scientists from multiple disciplines, today announced a consensus on the threshold for when motorists are definitely too tired to drive. The conclusion: Drivers who have slept for two hours or less in the preceding 24 hours are not fit to operate a motor vehicle.

“Sleep is a fundamental physiological need that no human can avoid,” said NSF Drowsy Driving Consensus Workgroup Chair, Charles A. Czeisler, PhD, MD, FRCP, FAPS, who is also Chief of the Division of Sleep and Circadian Disorders at the Brigham and Women's Hospital and the Baldino Professor of Sleep Medicine at the Harvard Medical School. “While individual sleep needs vary, and stimulants, like caffeine, may trick sleep-deprived people into feeling alert, the reality is that people are definitely impaired when they have obtained two hours of sleep or less per day. Though many are impaired with more than twice as much sleep, at a minimum, our two-hour threshold should serve as a red flag warning for individuals and as a guide for public policy makers.”

“Drowsy driving, like distracted and drunk driving, results in tragic yet preventable loss of more than six thousand lives each year. We hope the work of the scientific community will inspire public policy makers, corporations and drivers to take action,” said David Cloud, CEO of the National Sleep Foundation.

The National Sleep Foundation convened experts from sleep, transportation and medicine to reach a consensus on the definition. The definition is the result of a systematic literature review, followed by consensus building and voting.

The drowsy driving definition is being announced during Drowsy Driving Prevention Week (November 1-6), a campaign to educate the public about the risks of drowsy driving and to improve safety on the road. The National Sleep Foundation is also focusing its annual conference, Sleep Health & Safety, on drowsy driving. Leaders in the sleep community, auto manufacturers, policy makers and others are convening today to discuss future

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