Do you know people who swear that they can live on a few hours of sleep a night and be able to fully function the next day? Perhaps you’re one of these people. Well it seems that you really can’t “fully function” on less sleep.

Researchers at the University of Wisconsin- Madison conducted tests with rats that were kept up past their normal bedtime. The rats were given objects to play with to keep them awake. During play, electrodes were implanted in their brains to measure brain activity. The results were interesting.

It seems that sleep does not involve the whole brain at once. More >