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Tag: "asleep" at biology news

Out-of-body experiences may be caused by arousal system disturbances in brain

...nsition, patients were asked, "Just before falling asleep or just after awakening, have you had the sense th...ions immediately after waking up or before falling asleep due to an ill-timed disconnection between the brain and the body. Although it was once considered ve...

'Night owls' report more insomnia-related symptoms

...n of sleep disorders defined by difficulty falling asleep or staying asleep, waking up too early, or poor quality sleep, is the most common sleep complaint at any age. About 30 percent of adults have symptoms of insomnia. The amount of sleep a person gets affects his or her physical health, emotional we...

Scientists find potential 'off-switch' for HIV virus

...eturns, so it makes sense to try to keep the virus asleep if possible." HIV weakens the body's immune system by invading CD4+ T cells, which in essence serve as the metaphorical generals in the body's defense system against illness. When an HIV virus particle invades a T cell, most often it converts the ...

Sleep disturbances affect classroom performance

...he morning, sleepiness during the day, and falling asleep in class. "While a series of previously-conduct...nsuming, consider cutting back. If you are not asleep after 20 minutes, then get out of the bed and do something relaxing, such as reading a book or liste...

First biomarker for human sleepiness identified in fruit flies

...rs and may one day help assess the risk of falling asleep at the wheel of a car or in other dangerous contexts. "As we prepare for the holiday season and long drives to distant relative's houses, I hope this finding will get people thinking about the dangers and costs of sleep deprivation," says lead aut...

Brain-mapping technique aids understanding of sleep, wakefulness

...er balance between time spent awake and time spent asleep is still a big mystery in brain science. By shedding light on the network of neural connections involved in sleep, he said, his and other studies will help unravel the mechanisms involved in sleep homoeostasis. In addition to his laboratory at UT So...

Wisconsin researchers identify sleep gene

...ysiological changes signifying that the flies were asleep and awake." In mammals the changes produce hallmark waves, or oscillations of groups of neurons, easily detected by EEG. The waves are slower during deep sleep and faster during waking times. One way of getting from the faster to the slower state is...

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