Health
Smartphones uncover how the world sleeps
A pioneering study of worldwide sleep patterns combines math modeling, mobile apps and big data to parse the roles society and biology each play in setting sleep schedules.
May 6, 2016
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News tagged with sleep duration
Diabetes
Too little sleep raises risk of type 2 diabetes, suggests study
Adults who sleep only three to five hours a day are at higher risk of developing type 2 diabetes. This is demonstrated in a new study from Uppsala University, published in JAMA Network Open. It also shows that chronic sleep ...
Mar 5, 2024
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Psychology & Psychiatry
Study finds Black adults are losing sleep over killings of unarmed Black individuals by police
Black adults across the United States suffer from sleep problems following exposure to news about unarmed Black individuals killed by police during police encounters, according to new findings published today (Feb. 5) in ...
Feb 5, 2024
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Gerontology & Geriatrics
Wearable devices detect circadian disturbances that predict frailty risk in older adults
Wearable devices can be used to measure a variety of signs and signals related to our health. A new study by researchers from Brigham and Women's Hospital suggests that such devices may also be able to help predict older ...
Nov 16, 2023
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Psychology & Psychiatry
A (brief) surprise in study of alcohol, caffeine and sleep
The first known study to look at the combined real-world effects of alcohol and caffeine on nightly sleep quality and quantity came up with an unexpected finding—at first.
Nov 9, 2023
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81
Psychology & Psychiatry
Sleep quality is significantly associated with quality of life indicators over time
Sleep quality is much more significantly linked to quality of life over time than sleep duration or "social jetlag," according to a study published March 15, 2023, in the open-access journal PLOS ONE by Michaela Kudrnáčová ...
Mar 15, 2023
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77
Health
Humans don't hibernate, but we still need more winter sleep
Whether we're night owls or morning larks, our body clocks are set by the sun. Theoretically, changing day length and light exposure over the course of the year could affect the duration and quality of our sleep. But figuring ...
Feb 17, 2023
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Diseases, Conditions, Syndromes
Shorter sleep in later life linked to higher risk of multiple diseases
Getting less than five hours of sleep in mid-to-late life could be linked to an increased risk of developing at least two chronic diseases, finds a new study led by UCL researchers.
Oct 18, 2022
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Psychology & Psychiatry
Sleep problems can lead to teen depression
New evidence suggests that sleep difficulties, long thought to be a symptom of adolescent depression, might actually come first.
Jul 5, 2022
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Health
Age 40 is when busy Americans get the least sleep
A graph of how long Americans sleep forms a U-shaped pattern across our lives, with age 40 being the low point and hours of sleep starting to creep back up about age 50, Medical College of Georgia investigators report.
Jun 14, 2022
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