Rechtschaffen looking into the camera in black and white photo
Pioneering Sleep Researcher Allan Rechtschaffen Dies at 93
Rechtschaffen sought to understand the evolutionary purpose of shut-eye.
ABOVE: Rechtschaffen family/ University of Chicago
Pioneering Sleep Researcher Allan Rechtschaffen Dies at 93
Pioneering Sleep Researcher Allan Rechtschaffen Dies at 93

Rechtschaffen sought to understand the evolutionary purpose of shut-eye.

Rechtschaffen sought to understand the evolutionary purpose of shut-eye.

ABOVE: Rechtschaffen family/ University of Chicago

sleep science

illustration of a broken DNA strand
DNA Damage Makes Zebrafish Sleepy
Sophie Fessl | Nov 18, 2021
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.
J Allan Hobson smiling at camera, circa 2005
Groundbreaking Sleep Researcher J. Allan Hobson Dies at 88
Lisa Winter | Jul 29, 2021
He famously contradicted Sigmund Freud’s views on the meaning of dreams.
sleep, lucid dreaming, dreaming, dreams, REM, communication, Morse code
Researchers Exchange Messages with Dreamers
Asher Jones | Feb 18, 2021
Dreamers answered experimenters’ questions or solved simple math problems, showing that complex two-way communication between the dreaming and waking world is possible.
Infographic: The Technology Scientists Use to Engineer Dreams
Catherine Offord | Dec 1, 2020
Researchers are experimenting with a variety of tools, from brain stimulation to audiovisual equipment, to try to take control of the sleeping brain.
Contributors
The Scientist Staff | Dec 1, 2020
Meet some of the people featured in the December 2020 issue of The Scientist.
Astrocytes, Not Just Neurons, Play a Role in Sleep
Abby Olena | Sep 24, 2020
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.
Waves of Fluid Bathe the Sleeping Brain, Perhaps to Clear Waste
Abby Olena | Oct 31, 2019
During deep sleep, rhythmic pulses of cerebrospinal fluid are coupled with slow waves of electrical activity and fluctuating blood levels in the human brain.
Sleep Is Critical for the Zebrafish Brain to Repair DNA Damage
Catherine Offord | Mar 6, 2019
Neurons can only efficiently fix genetic injuries when the animals are asleep.
Rocking Improves Sleep, Boosts Memory
Catherine Offord | Jan 24, 2019
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
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.
Blind Cavefish in Mexico Offer Clues to Sleep Regulation
Catherine Offord | Feb 6, 2018
Two studies identify a signaling pathway that contributes to the fish’s sleeplessness.
Scientists Identify More-Precise Neural Correlates of Dreaming
Ashley P. Taylor | Apr 10, 2017
By examining brainwave patterns in a posterior cortical area, scientists can predict when people are dreaming.
Bird Rests Both Brain Hemispheres During Flight
Tracy Vence | Aug 8, 2016
Great frigatebirds can sleep while flying, researchers report.
Brain Listens During Sleep
Tanya Lewis | Jun 15, 2016
People continue to hear and process words during light non-REM sleep, a study shows.
Examining Sleep’s Roles in Memory and Learning
Ashley P. Taylor | Jun 13, 2016
Autonomic nervous system activity during sleep may help explain variation in the extent to which the behavior aids memory consolidation, a study shows.
Brain Keeps Watch During Sleep
Tanya Lewis | Apr 21, 2016
The first night people sleep in a new place, one of their brain hemispheres remains somewhat alert, a study shows.
In Dogged Pursuit of Sleep
Anna Azvolinsky | Mar 1, 2016
Unearthing the root causes of narcolepsy keeps Emmanuel Mignot tackling one of sleep science’s toughest questions.
Christina Schmidt: Chronobiology Crusader
Karen Zusi | Mar 1, 2016
Research Fellow, Cyclotron Research Center, University of Liège. Age: 35
Contributors
Catherine Offord | Mar 1, 2016
Meet some of the people featured in the March 2016 issue of The Scientist.