There are a few things we literally cannot live without. Oxygen is one. Another is food and water. And then there is sleep: forcibly keep an animal awake for long enough and you will kill it. The same almost certainly applies to humans. Image: bogolyandras
Read More
If there was ever a study not to lose sleep over, it’s this one. People deprived of a good night’s rest are more likely to experience changes in brain activity that can increase the urge to eat high-calorie foods. There may be an evolutionary explanation. Image: Klara Kim
Read More
Where did early humans bed down for the night? Evidence that some chimps routinely eschew the safety of treetops to sleep on the ground raises the possibility that some early hominins did too – and that could have implications for our forerunners’ cognitive development. Image: Martin Pettitt
Read More
Is it time to dream up a fresh theory of sleep? We are all familiar with the concept a power nap, but it could be the very process of falling asleep that’s beneficial to the brain. Perhaps sleep itself is a mere side effect. Image: jekert gwapo
Read More
