A woman is now sleeping with one eye open after her sleep tracking app recorded an unsettling incident: a mysterious man's ...

Sleep talking can be a slightly strange experience — whether you’re the one doing the midnight chattering or you’re sharing a bed with someone who is talking mid-snooze. But what is sleep talking and ...

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, ...

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 ...

It’s easy to use, insightful, and gives you a clearer picture of your nightly habits. Plus, it has features that make you aware of your sleep patterns in a fun, interactive way. My curiosity started ...

A reader asked, after reading my last post on 11 reasons a good night's sleep is so important: What is happening in the brain when kids talk while sound asleep? (I am usually asleep when this happens, ...