The findings, published in the Journal of Neuroscience, may help explain how humans form memories and learn, and could eventually aid the development of assistive tools for people affected by neurologic disease or injury. Scientists studying laboratory animals long ago discovered a phenomenon known as “replay” that occurs during sleep, explains Daniel Rubin, lead author and...
Tag: <span>Sleep</span>
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American Heart Association adds sleep to cardiovascular health checklist
by American Heart Association Credit: CC0 Public Domain Sleep duration is now considered an essential component for ideal heart and brain health. Life’s Essential 8 cardiovascular health score replaces Life’s Simple 7, according to a new Presidential Advisory, Life’s Essential 8—Updating and Enhancing the American Heart Association’s Construct on Cardiovascular Health, published today in Circulation journal. Other updates...
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Light during sleep for older adults is linked to obesity, diabetes, high blood pressure
by Northwestern University Credit: Unsplash/CC0 Public Domain In a sample of older men and women ages 63 to 84, those who were exposed to any amount of light while sleeping at night were significantly more likely to be obese, and have high blood pressure and diabetes compared to adults who were not exposed to any light...
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Some People Have a Superhuman Strength: Only Needing 4 Hours of Sleep
BY MANASEE WAGH MAY 23, 2022 MALTE MUELLERGETTY IMAGES Short sleepers are people who do well with about half of the shut-eye that the rest of us require to function. Researchers have discovered particular mutations in three genes that control short sleepers’ resting needs. Their super-efficient sleep helps maintain better health and greater resilience to stress. At first, Brad Johnson...
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Tinnitus seems linked with sleep – understanding how could bring us closer to finding a cure
Published: May 19, 2022 9.04am EDT People with tinnitus are more likely to have disturbed sleep. Around 15% of the world’s population suffers from tinnitus, a condition which causes someone to hear a sound (such as ringing or buzzing) without any external source. It’s often associated with hearing loss. Not only can the condition be annoying for sufferers,...
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How sleep helps to process emotions
by University of Bern A technique called optogenetics can be used to study brain activity during REM sleep. Credit: Pascal Gugler / Insel Gruppe Researchers at the Department of Neurology of the University of Bern and University Hospital Bern identified how the brain triages emotions during dream sleep to consolidate the storage of positive emotions...
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Seven hours of sleep is optimal in middle and old age, say, researchers
Sleep plays an important role in enabling cognitive function and maintaining good psychological health. It also helps keep the brain healthy by removing waste products. As we get older, we often see alterations in our sleep patterns, including difficulty falling asleep and staying asleep and decreased quantity and quality of sleep. It is thought that these...
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New hope to help advanced Parkinson’s patients walk, sleep again
by Julien Dury In its later stages, Parkinson’s disease often confines sufferers to a bed or a wheelchair. People with advanced Parkinson’s disease often struggle to walk more than a few steps or sleep through the night, but new research offers hope of relief from these two debilitating symptoms. Suffered by millions worldwide, the degenerative...
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New survey shows your relationship status tallies with how well you sleep
by Madeline Sprajcer, The Conversation Relationship status seems to have a greater impact on women’s sleep. Credit: Shutterstock A new survey of Australian adults has found your relationship status can impact how well you sleep. We know based on previous research that sleeping next to someone can help you sleep better—but this is the first study to look at how the...
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Is bedtime media use detrimental for sleep?
by Wiley Credit: Unsplash/CC0 Public Domain New research published in the Journal of Sleep Research has examined how sleep might be impacted by media use—such as watching movies, television, or YouTube videos; browsing the Internet; or listening to music—before bed. In the study, 58 adults kept a diary that recorded information related to time spent with media...