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Caenorhabditis elegans, a free-living transparent nematode (roundworm), about 1 mm in length.
The Body, Not the Brain, Regulates Sleep
Genetic screens have revealed three peripheral tissue genes that regulate sleep. What does this mean for sleep research?
The Body, Not the Brain, Regulates Sleep
The Body, Not the Brain, Regulates Sleep

Genetic screens have revealed three peripheral tissue genes that regulate sleep. What does this mean for sleep research?

Genetic screens have revealed three peripheral tissue genes that regulate sleep. What does this mean for sleep research?

sleep regulation

illustration of a broken DNA strand
DNA Damage Makes Zebrafish Sleepy
Sophie Fessl, PhD | Nov 18, 2021 | 4 min read
Buildup of a DNA-repair protein in brain cells spurs shut-eye in the fish, a study finds, and similar results in mice suggest the mechanism is widespread in animals.
Astrocytes, Not Just Neurons, Play a Role in Sleep
Abby Olena, PhD | Sep 24, 2020 | 4 min read
In mice, the brain’s main glial cell type exhibits distinctive patterns of activity across the sleep-wake cycle and influences the response to sleep deprivation.
Sleep Study in Antarctica Explores Role of Cultural Differences
Alejandra Manjarrez, PhD | Dec 1, 2019 | 4 min read
Habits such as napping might influence how humans cope with extreme environments, such as those at a polar research facility in winter.
NPSR1 Variant Linked to Less Sleep in People: Study
Emily Makowski | Oct 16, 2019 | 2 min read
“Short sleeper” mice engineered to have the same sequence in the gene sleep less but show the same performance on memory tests as animals that sleep a normal amount.
Sleep Is Critical for the Zebrafish Brain to Repair DNA Damage
Catherine Offord | Mar 6, 2019 | 2 min read
Neurons can only efficiently fix genetic injuries when the animals are asleep.
Rocking Improves Sleep, Boosts Memory
Catherine Offord | Jan 24, 2019 | 2 min read
Sleeping on a rhythmically swaying surface helps synchronize sleep oscillations in the human brain, a study finds.
Concussions May Stunt Recovery from Sleep Deprivation
Jef Akst | Nov 5, 2018 | 2 min read
People who have suffered traumatic brain injury had slower reaction times and more false starts after disrupted sleep than healthy controls, according to a study presented at the Society for Neuroscience meeting.
Muscles Hold a Key to Sleep Recovery
Sukanya Charuchandra | Sep 1, 2018 | 2 min read
A protein in skeletal muscles helps mice recover from sleep deprivation.
Blind Cavefish in Mexico Offer Clues to Sleep Regulation
Catherine Offord | Feb 6, 2018 | 2 min read
Two studies identify a signaling pathway that contributes to the fish’s sleeplessness.
Growth-Promoting Protein Linked to REM Sleep in Rats
Shawna Williams | Nov 11, 2017 | 2 min read
Brain-derived neurotrophic factor affects onset and duration of REM in the animals, but not other phases of sleep.
Contributors
Catherine Offord | Mar 1, 2016 | 3 min read
Meet some of the people featured in the March 2016 issue of The Scientist.
Christina Schmidt: Chronobiology Crusader
Karen Zusi | Mar 1, 2016 | 3 min read
Research Fellow, Cyclotron Research Center, University of Liège. Age: 35
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