A new study has found that teenagers who catch up on sleep moderately – but not excessively – at the weekend show fewer symptoms of anxiety. The results show that teenagers who got up to two hours more sleep on weekends than on weekdays showed fewer anxiety symptoms than those who did not sleep longer […]
The Brain Has a Hidden Rhythm – And Smarter Minds Synchronize Themselves to it
When the brain is under pressure, certain neural signals begin to oscillate synchronously – much like a well-rehearsed orchestra. A new study conducted at Johannes Gutenberg University Mainz (JGU) shows for the first time how flexibly this neural synchrony adapts to different situations and that this dynamic coordination is closely linked to cognitive abilities. “Specific […]
How Does Caffeine Affect the 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. In a study published in Nature Communications Biology, a team of researchers from the Université de Montréal has gained new insights into how caffeine […]
Too Much Sleep Can Impair Cognitive Performance, Especially in People With Depression
It is actually possible to sleep too much. A study led by researchers at the University of Texas Health Science Center (UT Health San Antonio) shows that nine or more hours of sleep per night are associated with poorer cognitive performance. This is even more true for people with depression. The findings were derived from […]
Sleep Apnea During REM Seep is Associated with Brain Changes Linked to Memory
According to a study published online in Neurology®, the medical journal of the American Academy of Neurology, obstructive sleep apnea, a condition that causes low oxygen levels during sleep, is associated with the degeneration of brain regions related to memory. The study found that the changes in the brain were strongly related to the extent […]
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