News on Sleep Science and Sleep Disorders

Older woman attempting to sleep in her bed.
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News Release
Variability in sleep duration and timing may represent new and independent heart disease risk factor Older adults with irregular sleep patterns—meaning they have no regular bedtime and wakeup schedule, or they get different amounts of sleep each night—are nearly twice as likely to develop cardiovascular disease as those with more regular sleep...
Woman snoring in bed.
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Research Feature
For much of her life, Sarah Gorman, 71, battled a mysterious illness that left her tired, sleepless, and unable to concentrate. When her symptoms first started in her 20s, she turned to doctors for help. They diagnosed her with depression and referred her to a psychiatrist, but Gorman soon rejected that diagnosis because, she said, she simply did...
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News Release
Obesity, diabetes, high cholesterol more prevalent among irregular sleepers A new study has found that not sticking to a regular bedtime and wakeup schedule—and getting different amounts of sleep each night—can put a person at higher risk for obesity, high cholesterol , hypertension, high blood sugar and other metabolic disorders. In fact, for...
Asian man in bed suffering insomnia and sleep disorder thinking about his problem at night
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News Release
Researchers say they are closer to solving the mystery of how a good night’s sleep protects against heart disease. In studies using mice, they discovered a previously unknown mechanism between the brain, bone marrow, and blood vessels that appears to protect against the development of atherosclerosis, or hardening of the arteries—but only when...
African american man sleeping
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News Release
Treatment of sleep disorder might help improve blood pressure control in this high-risk group African-Americans with moderate or severe sleep apnea are twice as likely to have hard-to-control high blood pressure when their sleep apnea goes untreated, according to a new study funded mainly by the National Heart, Lung, and Blood Institute (NHLBI),...
Illustration of woman sleeping
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Research Features
Feeling sleepy during the day? You’re not alone. Insufficient sleep is a common and fast-growing problem, with almost a third of U.S. adults reporting they get less than the recommended amount of shuteye. But while some people experience occasional restless nights that still allow them to be alert and productive during the day, many others...