How coffee affects a sleeping brain
Caffeine is not only found in coffee, but also in tea, chocolate, energy drinks and many soft drinks, making it one of the most widely consumed psychoactive substances in the world.
May 28, 2025
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Musculoskeletal and Neural Physiological Phenomena: News and Research on Sleep Stages
MeSH tree: G11.561.803.754
Snooze alarms disrupt key sleep stages: Most people still use them despite expert advice
Sleep experts recommend against snoozing after a wake-up alarm, but a study led by researchers at Mass General Brigham shows the practice is common, with more than 50% of sleep sessions logged ending in a snooze alarm and ...
May 19, 2025
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Sleep apnea during REM sleep linked to memory-related brain changes
Obstructive sleep apnea, a condition that causes lower oxygen levels during sleep, is linked to degeneration of brain regions associated with memory through damage to the brain's small blood vessels, according to a study ...
May 7, 2025
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Recommendations on wearable sleep trackers aim to empower consumers and clinicians, and foster industry partnership
Millions worldwide who turn to wearable devices for sleep insights are set to benefit from recommendations on the use of wearable consumer health trackers (CHTs) for sleep measurement released by the World Sleep Society. ...
Apr 25, 2025
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Advancing understanding of lucid dreaming in humans
Lucid dreaming is a surreal phenomenon in which people are consciously aware that they are in a dream. Çağatay Demirel, from Donders Center for Cognitive Neuroimaging, Radboud University Medical Center, and colleagues shed ...
Apr 21, 2025
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Study links lower proportions of certain sleep stages to brain changes associated with Alzheimer's disease
New research reveals that lower proportions of specific sleep stages are associated with reduced brain volume in regions vulnerable to the development of Alzheimer's disease over time.
Mar 31, 2025
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Fueling sleep: Researchers show key metabolic link to restful nights
Scientists have long recognized the brain's need for energy, but new research from the University of Kentucky's Sanders-Brown Center on Aging has now illuminated how the brain's energy utilization significantly influences ...
Mar 27, 2025
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New AI model analyzes full night of sleep with high accuracy in largest study of its kind
Researchers at the Icahn School of Medicine have developed a powerful AI tool, built on the same transformer architecture used by large language models like ChatGPT, to process an entire night's sleep. To date, it is one ...
Mar 17, 2025
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The pupil as a window to the sleeping brain: A look under the eyelids shows more is happening than previously assumed
For the first time, researchers have been able to observe how the pupils react during sleep over a period of several hours. A look under the eyelids showed them that more happens in the brain during sleep than was previously ...
Mar 5, 2025
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No pain, no gain? Hardly. This year's fitness buzzword is 'recovery'
If you ever turned on the TV in the 2000s after midnight, you might have seen an informercial for P90X.
Feb 19, 2025
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