Environment
First evidence birds nap in flight without dropping out of sky
Brain recorders fitted to 14 great frigatebirds show these birds sleep on the wing, usually while circling in rising air currents
News
Health
Too much light weakens bones and changes immune system
News
Humans
Princess Leia brainwaves may help you learn in your sleep
News
Humans
Want to control your dreams? These tips may boost your chances
News
Humans
I slept for just 20 minutes at a time for 6 months
Features
Health
5 sleep disorders you didn’t know existed
Features
Health
So many reasons why sleep is too important to miss
Features
Health
How much sleep do you really need?
Features
Health
Can you catch up on missed sleep?
Features
Health
Can you cheat the sleep system with a smart napping schedule?
Some people get extra hours awake by hacking their sleep patterns – be careful, though
Features
Health
5 tips for beating insomnia
Features
Health
How to sleep better
Features
Health
How to nap like a pro
Features
Health
How mental health needs sleep – and vice versa
Features