To the news that one-third of U.S. workers are chronically sleep-deprived, some of us were surprised: Only a third?

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They'll eat, sleep and work onboard, outside the reach of U.S. labor laws.

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The U.S. Army field manual classifies sustained sleep deprivation as a form of mental torture.

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ResMed, in San Diego, California, ranks second in the U.S. market for devices that help people suffering sleep apnea, a disorder that affects the breathing.

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The last big shift in the sleeping-pill market came 12 years ago, when Ambien hit pharmacy shelves in the U.S. The drug is viewed as having fewer side effects than older sleep aids such as Halcion, which left patients feeling groggy in the morning.

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After 64 matches, 17 red cards, 161 goals and 266 yellow cards in South Korea and Japan, this U.S.-based spectator, for one, can return to getting some sleep in the black-coffee hours of the morning.

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Dinges, a professor and sleep researcher in the department of psychiatry at the University of Pennsylvania, is trying to help companies and the U.S. government figure some of this out.

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