By the Numbers - May 9, 2016

By the Numbers - May 9, 2016

34.1%

The percentage of soldiers deployed to Afghanistan in 2013 who "reported falling asleep on guard duty," according to an article published online before print in the journal Military Behavioral Health -- The Impact of Insufficient Sleep on Combat Mission Performance. The researchers indicate that this was "significantly associated with the number of hours of sleep per day."

Anonymous survey data were from U.S. Army combat platoons disclosed that soldiers were getting, on average, between five and six hours of sleep per night; some 14.6% of soldiers "reported accidents that affected the mission, with half of these (51%) attributed to sleepiness." According to the researchers:

This is the first report to our knowledge on the relationship between sleep and performance in a deployed environment and confirms that soldiers obtain significantly less sleep than the recommended seven to eight hours per day.