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Tag: "night" at biology news

Longer treatment benefits sleep apnea patients

...tients should use CPAP for at least 7.5 hours each night to realize the greatest possible benefits of therapy. "Relationship Between Hours of CPAP Use and Achieving Normal Levels of Sleepiness and Daily Functioning," is published in the June issue of the journal SLEEP. More than 12 million adult Am...

College students who pull 'all-nighters' and get no sleep more likely to have a lower GPA

...dents involves "pulling all-nighters", or a single night of total sleep deprivation, a practice associated ...ed in this study indicate that the use of a single night of total sleep deprivation is not an effective practice for achieving academic goals," said Pamela T...

Moths mimic sounds to survive

In a night sky filled with hungry bats, good-tasting moths increase their chances of survival by mimicking the sounds of their bad-tasting cousins, according to a new Wake Forest University study. Published in the May 29 issue of the Proceedings of the Nationa...

A cherry on top: Tart cherries may alter heart/diabetes factors

...y will enroll healthy individuals who will spend a night at the U-M General Clinical Research Center, and have their blood tested multiple times to look for the breakdown products of cherries. ...

Chronic fatigue syndrome impairs a person's slow wave activity during sleep

... restricted to the first four non-REM periods each night in order to show comparability, revealed that SWA,...ts get between seven and eight hours of sleep each night to maintain good health and optimum performance. Persons who think they might have a sleep disord...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...hese results suggest that more feeding occurred at night when it is not possible to observe them visually. This acoustic information is a valuable supplement to traditional visual observations, and is shedding new light on the behavior of this still-mysterious class of killer whales. (3aAB4) THE SOUNDS...

Bats get the munchies too!

...eet food, after having overindulged in alcohol the night before. It appears that Egyptian fruit bats also crave particular types of sugar to reduce the effects of ethanol toxicity. Francisco Sanchez from the Ben-Gurion University of the Negev (Israel) will present data demonstrating this on Sunday 1st of A...

Sleep quantity affects morning testosterone levels in older men

... older men who obtain less actual sleep during the night have lower blood testosterone levels in the mornin...ts get between seven and eight hours of sleep each night to maintain good health and optimum performance. Those who think they might have a sleep disorder...

Male owls pitch their hoots to advertise body weight to competitors

...e fact that owls are essentially active during the night puts a strong emphasis on acoustic communication as a means of assessment, both during male competition and during mate choice," says Loïc Hardouin who recently completed a PhD on acoustic communication and territoriality in owls. "The next step is t...

Tracking sperm whales and jumbo squid

...hauling in a total catch of about 10,000 squid per night throughout the six-day study. Captured squid were ... and other prey that migrate toward the surface at night and then return to deeper waters during the day. Unlike squid, however, the sperm whales did not ...

Children who sleep more weigh less

...dren ages 5 to 12 get 10 to 11 hours of sleep each night and adolescents get 8 to 9 hours, the study found that on weeknights, 7-year-olds slept on average less than 10 hours. By age 14, weekday sleep time fell to 8.5 hours. “Our results suggest that many American children are not sleeping enough,?said ...

'Night owls' report more insomnia-related symptoms

...ts get between seven and eight hours of sleep each night to maintain good health and optimum performance. Those who think they might have insomnia, or another sleep disorder, are urged to discuss their problem with their primary care physician, who will issue a referral to a sleep specialist. ...

Scripps research team discovers a chemical pathway that causes mice to overeat and gain weight

... animals, so we started watching their behavior at night and during the day." During continuous monitoring of temperature and motor activity, the researchers realized that the mice without the EP3 receptors were more active during the light hours-the nocturnal mice's "night"-and, more importantly, were ...

Bats prey on nocturnally migrating songbirds

...ing songbirds, while venturing into the unfamiliar night sky for accomplishing their long, challenging tran...hed this week in PLoS ONE ?shows that migration at night is not without predation risk for passerines. A unique creature is indeed capable of exploiting th...

Sleep disturbances affect classroom performance

As a night of bad sleep can have an adverse effect on an adul... a regular basis. Do not stay up all hours of the night to "cram" for an exam, do homework, etc. If extracurricular activities at school are proving to be ...

A steady, high-fat diet is bad, but the news gets worse

... In the study, 30 healthy young adults fasted the night before, then consumed either a high- or low-fat breakfast. Both meals had the same number of calories and the low-fat breakfast included supplements to balance it for sodium and potassium. Two hours later the two groups were subjected to standard...

Cryoablation -- A new treatment option for some kidney tumor patients

...he skin puncture sites, and the patient spends one night in the hospital before returning home. Surgeons continue to seek less invasive methods than the traditional radical nephrectomy (removal of cancerous kidney) for the treatment of small tumors, and percutaneous cryoablation is now on the list. Wit...

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

...luded that people drinking coffee to get through a night shift or a night of studying will strongly hurt their recovery sleep the next day. The study published in the current...

China's environmental challenges

...g particularly at the impacts on Chinese sturgeon, night herons, and carp--all of which have exhibited sex organ malformations. Frontier's Finishing Lines columnist Katherine Ellison highlights Goldman Environmental Prize Award winner Yu Xiaogang, a Chinese watershed activist. She notes that the Chinese ...

Emotional control circuit of brain's fear response discovered

...ample, if someone is walking on an empty street at night and hears a loud banging sound in the near distance, the amygdala would immediately light up. But instead of always running in the opposite direction from the sound, once the source is determined, the rACC determines if action is needed or not. For...

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