Word: circadian
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Source: Bureau of Labor Statistics; Circadian Technologies; N.Y. Times (2); AP; National Center for Health Statistics
...winter months, and subsides when the days get longer. According to Dr. Alfred Lewy, a chronobiologist from Oregon Health Services who was the first person to research SAD, “it’s like having jet lag for several months.” The disorder occurs when circadian rhythms get out of sync with the decreased amount of daylight during the winter. However, unlike jet lag, SAD doesn’t fix itself over time. SAD can last all winter, with the dark mornings leaving the body physically “asleep” all day without...
...treat SAD, Lewy and his colleagues advocate light therapy. Their research indicated that patients who were exposed to artificial sunlight right after they woke up were able to push their circadian rhythms earlier, allowing them to overcome the effects of SAD without the need for anti-depressants...
...awake, the rest of us need a prescription from a doctor to get Provigil. But getting that prescription may soon get much easier. The manufacturer of Provigil (which is also called modafinil) announced two weeks ago that it would try to get the drug approved for “circadian rhythm disorder,” a fancy name for being sleepy when not sleeping on a normal schedule. If approved for this use, Provigil will take one more step toward becoming a lifestyle drug like Viagra that completely changes the way we think about sleep...
From infancy, kids can easily be unsettled by disruptions in their circadian cycles, as parents of newborns and toddlers learn whenever they try to change nap times. Bipolars, regardless of age, are also reactive to fluctuating schedules; many things can destabilize patients, but Keck believes that sleep deprivation and time-zone changes are the most upsetting...