Dreams have been described as dress rehearsals for real life, opportunities to gratify wishes, and a form of nocturnal therapy. A new theory aims to make sense of it all. In an interesting study ...

Strong circadian rhythms and good sleep may lower dementia risk. Learn how routines, exercise, and lifestyle habits support ...

Sleeping fewer than 4.5 hours and more than 6.5 hours per night is associated with cognitive decline, according to researchers. In a recent study published in Oxford Academic's Brain, a team from the ...

REM stands for rapid eye movement — a stage in the sleep cycle when your brain is almost as active as when you’re awake. Getting enough REM sleep is crucial, as it helps you store information and ...

Sleep is a key determinant in cognitive performance optimization. Learn about sleep's benefits and what you can do to improve ...

Sleep is key to brain and body function, memory, physical performance, preventing chronic disease and improving mental health ...

Introduction: The cardiovascular system (CVS) is heavily influenced by the autonomic nervous system. Additionally, there is a functional alteration during the various stages of sleep. In nonrapid eye ...