A new Nature Communications study has tracked these lulls in cassiopea jellyfish, which belong to a 500 million year-old ...

Does sleep have a purpose? Certainly. Sleep is like food. Without sleep, animals die. During sleep we reorganize our brains, consolidate memories, grow skin, rejigger hormones, rebuild tissues. In ...

Sleep is one of life’s most universal behaviors. Despite its ubiquity, it’s also one of the most mysterious. Humans spend ...

Turns out jellyfish and sea anemones – among the ancient creatures with a nervous system instead of a brain – have a very similar sleeping routine to our own. A new study published in Nature ...

How much sleep did you get last night? For many Americans, that answer is, “Not enough.” We’ve all heard the quip, “I’ll sleep when I’m dead,” joking about not getting enough rest. But sleep experts ...

Sleep can feel like a luxury in the busy, modern world – but new research has found that it is necessary for more than just recharging our brain. The study, published in Nature Communications, traces ...

When you’re asleep, you can seem completely dead to the world. But when you wake up, in an instant you can be up and at ‘em. How does the brain turn on awareness or consciousness? This question has ...

The Intersection of Purpose and Progress For most patients, better sleep begins with awareness—and for Ojasvi Razdan, awareness begins with action. Whether through academic research, clinical ...