A few years ago, I came across a puzzle. I had published a paper showing evidence that when leaders brag about their sleep deprivation, it not only undermines the sleep of their subordinates, but it ...

Lack of sleep can affect your brain, heart, immunity, and overall health. On World Sleep Day 2026, know what really happens ...

Sleep deprivation can harm your health, causing issues like heart disease, obesity, and depression. Most adults need seven to nine hours of sleep each night to feel rested. Sleep loss can increase ...

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 ...

Most people think of a bad night's sleep as a minor inconvenience, something to push through with an extra coffee and a bit ...

Parents deal with sleep deprivation all the time, but they may not be aware of the underlying channels through which their tiredness affects their children. Many parents intuitively understand how ...

Even three consecutive nights of reduced sleep can trigger spikes in blood proteins tied to heart disease risk. This effect occurs in young, healthy men — not just older individuals with preexisting ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...

Eight hours of sleep used to be the norm, and all-nighters with only a few hours of rest were rare among teenagers. In recent ...