Quantity

The Awake Ape: Why People Sleep Less Than Their Primate Relatives

Ancient humans may have evolved to slumber efficiently — and in a crowd.

Quantity

Sleep Loss Does Not Impact Ability to Assess Emotional Information

Going 24 hours without sleep impacted study participants’ mood but did not change their performance on tests evaluating their ability to process emotional words and images.

Quantity

When Too Little Sleep Is a Good Thing

Examining the positive effects of sleep deprivation leads to new information about how we sleep.

Sufficient Sleep Needed to Mitigate Risks of Mood Dysregulation in Teens

Jul 14, 2021 | Age, Quantity

Teens were allocated to one of three sleep “doses” for five consecutive nights with two baseline and two “recovery” nights.

Sleep Characteristics Predict Cannabis Use, Binge Drinking in Teens & Young Adults

Jun 17, 2021 | Age, Quantity

“Sleep is modifiable behavior, and perhaps easier to modify than going after substance use directly.”

Fitbit User Data Shows Slight Increase in Sleep Duration During Pandemic

Jun 15, 2021 | Quantity, Wearable Sleep Trackers

Results show that mean sleep duration increased in nearly all groups by 5 to 11 minutes, compared with a mean decrease of 5 to 8 minutes seen over the same period in 2019.

Don’t Count on Caffeine to Fight Sleep Deprivation

May 31, 2021 | Quantity

“Caffeine may improve the ability to stay awake and attend to a task, but it doesn’t do much to prevent the sort of procedural errors that can cause things like medical mistakes and car accidents.”

Students Working or Studying from Home Sleep Later But Not Longer

May 12, 2021 | Age, Quantity

The team found that students learning remotely in the summer 2020 session went to bed an average of 30 minutes later than pre-pandemic students.

Global Sleep Duration Has Significantly Increased Amid COVID-19 Pandemic

Apr 6, 2021 | Quantity

Data was obtained from regular users of the Sleep Cycle before and after the WHO declared COVID-19 a pandemic in March 2020.

NIH Grant Awarded for Study on Stress, Inflammatory Response, & Sleep Loss

Mar 21, 2021 | Quantity, Weight

The project’s premise relates to the worldwide increases in obesity that have led to a higher incidence of obstructive sleep apnea.

Duke Lemur Center Works to Understand Hibernation

Mar 14, 2021 | Quantity

Our closest hibernating relative has gone into true, deep hibernation in captivity for the first time at the Duke Lemur Center.

Sleep Restriction Impacts Children’s Positive Emotions More Than Negative Ones

Mar 9, 2021 | Age, Mental Health, Quantity

Children with greater pre-existing anxiety symptoms showed the most dramatic alterations in emotional responding after sleep restriction.

Coffee Counteracts Cognitive Impacts of Sleep Loss—But Only For a Few Days

Feb 26, 2021 | Quantity

“This study is among the first to examine whether this effect can be translated into a real-world situation.”

Common Pesticides Reduce Sleep Quantity in Insects

Jan 21, 2021 | Quantity

As well as finding that agricultural concentrations of neonicotinoids ruined the flies’ ability to remember, the researchers also saw changes in the clock in the fly brain.