REM stages and one REM stage. Ideally, you repeatedly cycle through each stage. Learn how long each stage lasts.

It's no secret that a good night's sleep is key to a healthy brain. However, the full extent of the importance of rest on our ...

Hallucinogens like DMT, psilocin, and LSD might rewrite the rules of sleep, blurring the line between dreams and reality.

Humans and mice with a predisposition for ALS displayed altered sleep patterns before symptoms began, offering a potential ...

Deep sleep tends to come soon after we fall asleep, while REM sleep appears later in the night, toward morning. Therefore, if you go to bed late and get up early, you are cutting your chances of ...

Speaking to The Statesman, Dr Sourav Das, senior consultant sleep medicine specialist at Somnos Sleep Clinic, highlights the ...

Deep sleep is the restorative stage of sleep. During this stage the body undergoes tissue repair, the immune system is ...

Working shifts disrupts your circadian rhythm, leading to poor sleep efficiency and mood disturbances. We take a closer look ...

A study on birds finds that when jackdaws are sleep-deprived, they stop sleeping with one eye open and enter deeper sleep, risking safety.

Not spending enough time in the two deep stages of sleep — slow-wave and rapid eye movement, or REM, sleep — may hasten the deterioration of parts of the brain associated with Alzheimer’s ...

Deep sleep or N3, is one of the four crucial sleep stages which is responsible for restoring and repairing your mind and body. It's the third stage of non-REM sleep and occurs before we transition ...