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illustration of a broken DNA strand
DNA Damage Makes Zebrafish Sleepy
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.
DNA Damage Makes Zebrafish Sleepy
DNA Damage Makes Zebrafish Sleepy

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.

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.

sleep regulation
Astrocytes, Not Just Neurons, Play a Role in Sleep
Abby Olena | 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 | Dec 1, 2019 | 5 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.
Christina Schmidt: Chronobiology Crusader
Karen Zusi | Mar 1, 2016 | 3 min read
Research Fellow, Cyclotron Research Center, University of Liège. Age: 35
Contributors
Catherine Offord | Mar 1, 2016 | 3 min read
Meet some of the people featured in the March 2016 issue of The Scientist.
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