Subscribe now
A tired person

Your brain signals weaken and slow down when you’re really tired

6 November 2017

We’ve seen how sleep deprivation disrupts the way neurons communicate with each other, and it may explain why a bad night’s sleep makes it hard to concentrate
Tired man in bed, rubbing his eye, trying to sleep

The brain starts to eat itself after chronic sleep deprivation

23 May 2017

Sleep loss in mice sends the brain’s immune cells into overdrive. This might be helpful in the short term, but could increase the risk of dementia in the long run

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up
Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop