A recent study published in Communications Biology provides evidence that the brain manages its energy resources in ...

Sleep is one of the most widely studied states of consciousness, known to play a role in physical recovery, the processing of memories and the regulation of immune functions. During sleep, the brain ...

While it is certainly true that rapid eye movement (REM) sleep functions, in part, to promote a healthy waking mind, there are compelling reasons to believe that the opposite is the case as well: the ...

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 ...

Women showed a steeper decline in both phasic REM percentage and REM density compared with men, meaning the quality of their ...

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 ...

Share on Pinterest What explains rapid eye movements during sleep? Researchers may be getting closer to an answer. Image credit: Alexandr Ivanets/Stocksy. When animals change their head direction as ...

Sleep is a critical component of well-being, and proper sleep promotes healthy body function and healing. A recent study found that people experience more REM sleep during winter, which is a vital ...

Sleep researchers point to about 65 to 68°F for deep, restorative sleep.