Researchers trace how different sleep stages may fine-tune what we remember, trading specifics for more general knowledge.

There are tell-tale signs when you don’t get enough REM sleep. It’s the fourth stage of sleep and it’s crucial for processing ...

Scientists instructed people to remember or forget words and then checked what words they retained in their memory after a 12 ...

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

Scientists have recently shown that both the quality and the amount of sleep we get may influence our risk of developing Alzheimer’s disease. Now, a study suggests that people who take significantly ...

That’s according to researchers from the University of Hong Kong, who implemented a procedure called “targeted memory reactivation” (TMR) to reactivate positive memories and weaken painful ones during ...

Taking too long to enter the phase of sleep in which we dream may be an early sign of Alzheimer's disease. This is the conclusion of an international team of researchers who studied the sleep patterns ...

Sleep is more than rest. It is the foundation of how the brain repairs, organizes, and protects itself. But when breathing is repeatedly interrupted during the night, that delicate process breaks down ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. I’m captivated by my new personal health ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Baland Jalal lay in bed terrified ...

You’re weightless. Colors bloom and morph, painting fractal patterns as the arrow of time torrents forward. The shapes unfurl into luminous ribbons before burning up into ash with the scent of ...