We don’t need so much sleep, says new study
After studies of hunter-gatherer societies, scientists say that we need less sleep than we previously thought. Are we fetishising the time we spend in the land of nod?
Let teenagers lie-in, urge top scientists
An extra hour in bed every morning could improve the academic performance and well-being of teenagers, researchers say, due to their unique sleep patterns. Is it time to give them a break?
Sleep deprivation a major drag for young minds
Young people are not sleeping enough and their education is suffering as a result, say international researchers. But could we one day do without sleep altogether?
Mental health strained by mock Mars mission
They were six of the most resilient astronauts around. But trapped in a room for 17 months on a simulated voyage to Mars, their minds began to crack. Are we too fragile for life off-planet?