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Tag: "sleepiness" at biology news

Longer treatment benefits sleep apnea patients

...ted for daytime symptoms such as excessive daytime sleepiness using two widely accepted assessment tools, and fo...night. The researchers found that although daytime sleepiness could be improved after 4 hours to 6 hours a night, depending on the measurement used, functional st...

Individual differences in a clock gene predict decline of performance during sleep deprivation

...stay awake, during which many accidents related to sleepiness occur. But the scientists also emphasize that the new research was conducted in the laboratory, and whether forms of the PERIOD3 gene also predict individual differences in the tolerance to night-shift work remains to be demonstrated. An additiona...

Insomnia drug can improve brain function

...d to give her up to three tablets each day without sleepiness as 'side effect,'" the authors state. The researchers systematically assessed the effect of zolpidem on motor and cognitive function and explored its effect on brain activity using positron emission tomography (PET) scans. They administered motor...

Sleep disturbances affect classroom performance

...every night, a hard time waking up in the morning, sleepiness during the day, and falling asleep in class. "While a series of previously-conducted studies all found that adolescents reporting inadequate sleep, irregular sleep patterns, and/or poor sleep quality do not perform as well in school as students wi...

Negative effects of caffeine are stronger on daytime sleep than on nocturnal sleep

...ces of caffeine during the nighttime to counteract sleepiness generated by sleep deprivation, jet lag, and shift-work. However, this habit may have important effects when you then try to recuperate during daytime." Thirty-four moderate caffeine consumers participated in both caffeine (200 mg) and placebo (lac...

Need to pull an all-nighter?

... for the development of drugs to prevent excessive sleepiness or to promote sleep," says study co-author Paul Rosenberg, MD, PhD, a researcher in the Neurobiology Program at Children's Hospital Boston, and a physician in the Center for Pediatric Sleep Disorders at Children's and in the Sleep Disorders Center at...

First biomarker for human sleepiness identified in fruit flies

...ients with sleep disorders." According to Shaw, sleepiness biomarkers will also prove useful to studies of sleep in animals. "Cetaceans like killer whales, for example, are known to go for extended periods of time without sleep, and we'd like to know more about how that works and whether they incur sleep ...

Brain-mapping technique aids understanding of sleep, wakefulness

...uncontrollably fall asleep, have excessive daytime sleepiness and experience sudden muscle weakness called cataplexy. Because orexin-producing neurons play such a key role in regulating sleep, determining how they are connected to other neurons in the brain is an important step toward understanding how and why...

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(Date:9/30/2014)... all have in common? Unlike most eukaryotic multicellular ... diploid, these organisms are all polyploid, meaning they have ... have 3 and 4 sets of chromosomes, respectively, and ... in fact most plant species are polyploid. Polyploidy, or ... but only recently, with the development of molecular tools, ...
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Breaking Biology News(10 mins):Gene doubling shapes the world: Instant speciation, biodiversity, and the root of our existence 2Gene doubling shapes the world: Instant speciation, biodiversity, and the root of our existence 3Gene doubling shapes the world: Instant speciation, biodiversity, and the root of our existence 4Salk scientists receive $3 million for BRAIN Initiative grant 2NEJM: Crizotinib effective in Phase 1 trial against ROS1 lung cancer 2
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Breaking Medicine News(10 mins):Health News:Medicaid and Uninsured patients obtain new patient appointments most easily at FQHCs 2Health News:EverStryke: Review Exposes Joe Marshall’s Permanent Match Survival Product 2Health News:As Hospitals Combat Enterovirus Outbreaks, Patients and Families Turn to “Virtual Visits” with CaringBridge 2Health News:Newly Developed Program Eases Chronic Knee Pain without Surgery and in as Little as Two Days 2Health News:Newly Developed Program Eases Chronic Knee Pain without Surgery and in as Little as Two Days 3Health News:US military making progress reducing stigma tied to seeking help for mental illness 2Health News:US military making progress reducing stigma tied to seeking help for mental illness 3
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