The jig is up. Publications have been filled with stories of high achieving people like Martha Stewart, P. Diddy and Jerry Weintraub who supposedly need only three or fours of sleep a night. But the boasters–and their work–might be eyed with more suspicion now that the evidence is out that the less sleep you get, the worse you perform.
Maggie Jones described one study in an eye-opening article in the New York Times magazine in which subjects were allowed to sleep four, six or eight hours a night for two weeks and were then tested with the psychomotor vigilance task, or P.V.T., which measures sustained attention, a gold standard of sleepiness measures:
To read the full, original article click on this link: How Little Sleep Can You Get By On? | BNET
Author: Laurie Tarkan
