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...