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tag sleep wake cycle cell molecular biology ecology

Researchers Uncover Sleep/Wake Gene
Eugene Russo | Aug 16, 1998 | 4 min read
Recent research has shed new light on the sleep/wake cycle. In two papers featured on the cover of the July 10 issue of Cell (J.L. Price et al., Cell, 94:83-95, 1998; B. Kloss et al., Cell, 94:97-107, 1998), scientists from Rockefeller University reported the discovery of a gene in Drosophila, dubbed double-time (dbt). The dbt gene is believed to regulate the molecular cycles underlying circadian rhythms--patterns of activity that, in humans, regulate body temperature, mental alertness, pain
Time, Flies
Anna Azvolinsky | Nov 1, 2016 | 9 min read
By studying the sleep-wake cycle of fruit flies, Amita Sehgal is revealing how the body’s circadian and sleep rhythms are regulated.
Genetic And Molecular Mysteries Of Sleep Are Keeping Researchers Alert
Alison Mack | Oct 27, 1996 | 9 min read
SIDEBAR : Sleep Research Resources Some consider sleep an unavoidable nuisance; others, a sweet indulgence. For the most part, though, we take our slumber for granted, rarely considering why we spend a hefty chunk of our lives unconscious. But for sleep researchers, that question represents a supreme mystery. Exactly what purpose sleep serves, as well as how the body regulates sleeping and waking, remain largely unknown. Behavioral scientists and physiologists have pursued these questions for
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Those We Lost in 2020
Amanda Heidt | Dec 18, 2020 | 7 min read
The scientific community bid farewell to researchers who furthered the fields of molecular biology, virology, sleep science, and immunology, among others.
The Gears of the Sleep Clock
Allan Pack | Apr 1, 2009 | 8 min read
The Gears of the Sleep Clock Is replenishment of resources the key to the sleep/wake cycle? By Allan Pack Artwork by Michael Morgenstern man coming off his night shift gets into his car. He knows it's the most dangerous part of his day, a time when his body aches for sleep. He struggles to stay awake while driving home. He's tried coffee. He's tried driving with the windows open, or cranking the air conditioning up high. He's tried
Who Sleeps?
The Scientist and Jerome Siegel | Mar 1, 2016 | 10+ min read
Once believed to be unique to birds and mammals, sleep is found across the metazoan kingdom. Some animals, it seems, can’t live without it, though no one knows exactly why.
Anchor Test
Dev Team | Apr 1, 2009 | 8 min read
The Gears of the Sleep Clock Is replenishment of resources the key to the sleep/wake cycle? By Allan Pack Artwork by Michael Morgenstern man coming off his night shift gets into his car. He knows it's the most dangerous part of his day, a time when his body aches for sleep. He struggles to stay awake while driving home. He's tried coffee. He's tried driving with the windows open, or cranking the air conditioning up high. He's tried
The Scientist Staff | Mar 29, 2024
Desperately Seeking Shut-Eye
Anna Azvolinsky | Mar 1, 2016 | 7 min read
New insomnia drugs are coming on the market, but drug-free therapy remains the most durable treatment.
Keeping Time with Drosophila
Laura Bonetta | Feb 3, 2002 | 10 min read
Circadian clocks—the biological timekeepers that operate on a daily cycle—keep virtually every living creature in tune with its environment. These internal clocks regulate a wide range of fundamental biological processes, including movement, smell, sleep, mating, and feeding. A true circadian clock is endogenous; that is, it keeps time even in the absence of external cues. The clock can, however, be reset, or entrained, by daylight, allowing the synchronization of circadian rhythms t

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