Sgt. Ben Allbright knows something about sleep deprivation. During the first six months of the Iraq war, his job was to guard prisoners in Al Qaim, a makeshift base near the Syrian border where U.S.

Relief is within earshot for those whose sleep is interrupted by snoring. A small study reported in August 2003 monitored the snoring habits of 30 men and women for 4 weeks. The snorers then started ...