Brain reboot: just one sleepless night may affect memory and learning, study finds

By Kate Aubusson
Updated September 3 2016 - 11:13am, first published August 24 2016 - 8:26pm
Not getting enough sleep could be changing your brain, according to a European team of researchers.
Not getting enough sleep could be changing your brain, according to a European team of researchers.

One-third of a life span is a massive slice of time to spend with our eyes closed, but there's a very good reason humans need so much sleep. We just don't know what it is.