There’s still so much we don’t know about the human mind, especially the unconscious part. Where do dreams come from? Why do they feel so real? And what exactly happens when the brain forgets to hit ...

You’ve likely experienced it – waking to find your partner urgently informing you that you spent half the night having an animated conversation with no one. Or perhaps you’ve been the one awakened by ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Some people who have sleep talking or walking as children do develop sexsomnia or another parasomnia as adults, but many others do not, Schenck said. “We don’t know the ultimate cause, but there is a ...

Some sleepers hope to put these bizarre behaviors to bed. It’s widely known that people walk and talk in their sleep — some even have sex — these are just a few examples of parasomnias, which are ...

It's 2 a.m. The house is quiet, cloaked in the stillness of the night. Then, a shuffle. A door creaks. A child walks down the hallway, eyes wide open but fast asleep. Elsewhere, someone mumbles ...