You don't need to sleep. You just need to believe you've slept.

A new study suggests that there's such a thing as the "sleep placebo" effect. Just believing you've gotten a good night's sleep is enough to help you perform better on tests and feel more energetic. » 1/27/14 7:00pm 1/27/14 7:00pm

Your Dreams Might Be Ruining Your Love Life

We know our dreams aren’t real — and we certainly know that the actions of the people in our dreams can’t be held against them in real life. But a new study suggests we may be doing exactly that, albeit at an unconscious level. » 5/13/13 12:00pm 5/13/13 12:00pm