Word: sleeping
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Turns out you probably won't ever make up for those all-nighters you pulled in college. Researchers at Harvard-affiliate Brigham and Women's Hospital find that chronic sleep loss over several weeks causes reaction time to slow almost tenfold, increasing the risk of fatigue-related accidents...
Scientists have long figured out that sleep loss impairs memory formation and negatively impacts performance, but previous research had not investigated how short-term sleep deprivation interacts with chronic sleep loss, according to Daniel A. Cohen, a neurology instructor at Harvard Medical School and the lead author of the paper...
...findings, published in last Wednesday in the interdisciplinary journal, Science Translational Medicine, show the effects of as little as one night's sleep loss on performance the following...
...simulate staying up all night and sleeping extra hours the next day to catch up, the researchers put nine volunteers on a specialized sleep-wake schedule consisting of 33 hours of wakefulness and 10 hours of sleep. Using a series of tests, the researchers measured the subjects' reflexes, motor skills, memory, decision making, and other brain functions...
...results have yielded conclusions that may overturn commonly held misconceptions about sleep, Cohen said...