If you’ve ever woken up to your partner laughing about something you said in your sleep, you’re not alone. Sleep talking—also known as somniloquy—is a common sleep behavior that can range from ...

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, ...

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 ...