A study by researchers at Uppsala University has found even just a few nights with insufficient sleep can cause serious heart ...

Sleeping nine hours or more per night is associated with worse cognitive performance, which is even more the case for those ...

How much sleep you need may depend on where you live, says new research published in May 2025. While eight hours has long ...

Adults need different amounts of sleep, and it’s not always eight hours. Here’s how to figure out your sleep need.

I just wanted to create a fun but useful comic series, so all of this is a plus – I’m really thankful to my readers for ...

From parents who lie awake worrying about their children to busy professionals who can’t switch off from work, Dr Kat Lederle ...

Did you know that kids aren't getting enough sleep these days? And it’s affecting their growth, brain development, and ...

An expert on sleep has revealed the one thing that could be the answer to your perfect nighttime routine. Dr Eduard Estivill is a sleep scientist and founder of his very own sleep clinic with over ...

Prolonged sleep deprivation blurs the line between memory and reality—that's how a "memory limit" feels. Information overload ...

Severe sleep deprivation causes hallucinations and a ... Get the help you need from a counsellor near you–a FREE service from Psychology Today.