Light sleep is the beginning of your sleep cycle and your body's way of winding down. Breathing, heart rate and muscle changes prepare your body for the deeper sleep to come. Light sleep is broken ...

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

During REM sleep, your heart rate increases, your blood pressure elevates, and your eyes move. REM sleep may also be the time when your brain processes emotions and solidifies memories. Your body ...

What is REM sleep disorder? REM sleep disorder (RBD) is a type of parasomnia associated with synucleinopathies ––a diverse group of neurodegenerative disorders thought to share a common pathologic ...

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 ...

According to a sleep survey by YouGov conducted in 2024, around 38% of Brits say that they ‘rarely’ feel well-rested after a ...

Depending on their age, a person needs 7–17 hours sleep in every 24 hours. But, just sleeping is not enough. Deep sleep is essential for health and wellbeing. Most adults need around 1.5–2 hours of ...

Previously unreported links between possible REM sleep behavior disorder (pRBD) and alcohol use, and psychological distress emerged in a nationwide Canadian study, researchers reported. Heavy drinking ...

A systematic review found improved sleep quality and longer REM sleep after endoscopic surgery for chronic rhinosinusitis ...