Night owls’ cognitive function ‘superior’ to early risers, study suggests

People who slept between seven and nine hours a night scored higher in cognitive tests. Photograph: haydenbird/Getty Images

The idea that night owls who don’t go to bed until the early hours struggle to get anything done during the day may have to be revised.

It turns out that staying up late could be good for our brain power as research suggests that people who identify as night owls could be sharper than those who go to bed early.