"Three or four hours before I could fall asleep. I wake up three o'clock in the morning with the same stuff on my mind, tossing and turning.

VOA: standard.2010.05.04

In the office I work you only clock the hours you spend working.

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Our military has secured the airport and prepared it to receive the heavy equipment and resources that are on the way, and to receive them around the clock, 24 hours a day.

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Study leader Dr Michael Hastings said in mice who by a quirk of genetics had a 20-hr body clock, they were able to reset the clock to 24 hours by using known compounds that are known to slow down the action of cAMP.

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