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Brain Refreshing: Why the Dreaming Phase Matters

Aug. 25, 2021 — Researchers have found that blood flow in the brain capillaries, which is important for oxygen/nutrient delivery and waste removal, was increased during rapid eye movement ...

New Mothers’ Sleep Loss Linked to Accelerated Aging

Aug. 5, 2021 — When new mothers complain that all those sleepless nights caring for their newborns are taking years off their life, they just might be right. A year after giving birth, the 'biological age' of ...

'Springing Forward' Affects Early Birds Less Than Night Owls

July 20, 2021 — Every spring, the Daylight Saving Time shift robs people of an hour of sleep - and a new study shows that DNA plays a role in how much the time change affects individuals. People whose genetic ...

Exposure to Light With Less Blue Before Sleep Is Better for Energy Metabolism

July 9, 2021 — Researchers have found that exposure to specific types of light before sleep can have variable effects on energy metabolism during sleep. ...

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Deficits May Remain After 7-Day Recovery from 10 Days of Insufficient Sleep

Sep. 1, 2021 — After 7 days of recovery from a 10-day period of deficient sleep, participants in a small study had recovered their pre-sleep deprivation reaction speed, but had not fully recovered on any other ...

A Sleep Study’s Eye-Opening Findings

July 29, 2021 — Getting more sleep, by itself, does not change work productivity or overall well-being for impoverished workers in India. Naps or better-quality sleep at night may have a bigger impact, according to ...

A Blood Test for Your Body Clock? It's on the Horizon

July 29, 2021 — Sleep researchers have found it's possible to determine the timing of a person's internal biological clock via a single blood draw. Ultimately, the findings could lead to a simple blood test for ...

New Study Uncovers How a Series of Sleep Loss Impacts Mental and Physical Wellbeing

July 6, 2021 — A new study looked at the consequences of sleeping fewer than six hours for eight consecutive nights -- the minimum duration of sleep that experts ...

High Physical Activity Levels May Counter Serious Health Harms of Poor Sleep

June 29, 2021 — Physical activity levels at or above the weekly recommended amounts may counter the serious health harms associated with poor sleep quality, suggests ...

Subconscious Changes in Movement May Predict Alzheimer's Disease

June 23, 2021 — A research team found that FMAR was associated with preclinical AD pathology in women, suggesting that FMAR may be a new biomarker for AD before cognitive symptoms ...

New Position Statement Declares That Sleep Is Essential to Health

June 21, 2021 — A new position statement emphasizes that sleep is a biological necessity, and insufficient sleep and untreated sleep disorders are detrimental for health, well-being, and public ...

Having Trouble Falling Asleep Predicts Cognitive Impairment in Later Life

June 9, 2021 — A study of nearly 2,500 adults found that having trouble falling asleep, as compared to other patterns of insomnia, was the main insomnia symptom that predicted cognitive impairment 14 years ...

Persistent Insomnia Symptoms Since Childhood Associated With Mood, Anxiety Disorders

June 9, 2021 — A 15-year longitudinal study shows that childhood insomnia symptoms that persist into adulthood are strong determinants of mood and anxiety disorders ...