Electronics
Do Blue-Light Glasses Help with Eyestrain?
An analysis of previous trials suggests blue-light-filtering lenses may not reduce eyestrain or sleep problems
Sleep37 articles archived since 1845
Sleep
Are Naps Good for You?
Here’s the science on whether naps have short- and long-term benefits for your health
Sleep
Are You a Lucid Dreamer?
A sleep researcher who studies what dreams can tell us about the possible onset of some mental disorders believes lucid dreamers might hold a lot of answers in their head.
Sleep
What to Do When You Can’t Fall Asleep May Surprise You
When sleep feels elusive, getting out of bed can calm your mind and help you avoid bad sleep habits
Sleep
Sleep Deprivation Sometimes Relieves Depression. A New Study May Show Why
Understanding why going without sleep eases depression in some people may lead to less taxing methods to boost mood
Sleep
How Do CPAP Machines Treat Sleep Apnea?
President Joe Biden has been using a CPAP machine to treat his sleep apnea, according to White House officials. What does that mean?
Animals
Horses Stand Up to Sleep but Lie Down Perchance to Dream
Horses are specially built to snooze on their hooves, but there’s a catch
Sleep
Should You Give Your Kid Melatonin?
Young children are taking melatonin gummy supplements, but experts say they should be a last resort to help with sleep
Sleep
Changing Clocks to Daylight Saving Time Is Bad for Your Health
A neurologist explains why our bodies fare better when aligned with the natural light of standard time
Sleep
The Scientific Secret to Soothing Fussy Babies
Some animals’ babies physically relax when their parents whisk them away from danger. The same thing works for tiny, wailing humans.
Sleep
Let Teenagers Sleep
Despite years of evidence that starting school later promotes better health and improved grades, too few schools have adopted this measure
Sleep
Readers Respond to the April 2022 Issue
Letters to the editor for the April 2022 issue of Scientific American
Sleep
It Goes by the Name ‘Bedtime Procrastination,’ and You Can Probably Guess What It Is
Putting off sleep can have unfortunate consequences
Sleep
Should We Make Daylight Saving Time Permanent? Let’s Sleep on It
Scientists are less enthusiastic than the U.S. Senate about DST year-round
Biotech
Neck-Zapping Gadget Reduced All-Nighter Fatigue in New Study
And the benefits of two four-minute sessions persisted for hours
Neuroscience
People Answer Scientists’ Queries in Real Time while Dreaming
Researchers demonstrate that during REM sleep, people can hear—and respond to—simple questions such as “What is eight minus six?”
Neuroscience
Baby Bees Deprive Caregivers of Sleep
Bee larvae and pupae appear to secrete a chemical that does the work of a late-night cup of coffee for their nurses.
Behavior
The COVID-19 Pandemic Is Changing Our Dreams
Anxiety about social distancing and infection is altering how much we dream and the nature of our dreams themselves
Fitness
If You Don’t Sleep, You Will Go Insane
Originally published in March 1880
Sleep
How Much Sleep Do You Really Need?
Do you really need eight hours of sleep each night to thrive? Savvy Psychologist Dr. Jade Wu breaks down the eight-hour sleep myth and offers three ways to find the best sleep for you
