Repeated episodes in which Donald Trump has appeared tired at public events have sparked a debate about dementia and sleep.

What happens to your brain after 14 days of limited sleep? Here's the somniaphage effect, how chronic sleep deprivation impacts memory, mood, and cognitive function, and why prioritising sleep is ...

Quality sleep is critical for people living with epilepsy to avoid triggering seizures. Poor sleep can affect seizures, memory, and more.

The brain reinforces seizure networks during post-seizure sleep by hijacking the same mechanisms used for memory consolidation.

While sleep's positive impact on cognition has long been recognized, Baycrest researchers have revealed that a good night's sleep may actively enhance memory rather than simply protect it from decline ...

Sleep is vital for many processes in the brain – from consolidating our memories to regulating our emotions. But what happens when you don’t get enough of it? Sleep and circadian rhythm disruption ...

HUNTINGTON, W.Va. — Obstructive sleep apnea (OSA), commonly associated with cardiovascular and metabolic diseases, also plays a significant but less recognized role in memory decline, according to a ...

Lack of sleep harms almost every system in the body: From concentration and memory to hunger hormones, metabolism and the ability to cope with stress.

Researchers identified five unique sleep types linked to mood, cognition and lifestyle Poor sleep quality was tied to higher anxiety, stress and weaker brain performance Experts say better sleep can ...

Learn how caffeine affects brain chemicals and health, sleep, and mood. Understand safe daily limits, hidden sources, and signs you’re getting too much.