Have you heard the saying about “sleeping with one eye open”? It’s a bit of metaphoric advice about staying vigilant—and a way to describe very light restless sleep. But sleeping with eyes open is ...

A video making the rounds on social media has captured the moment a mother 'caught' her little daughter sleeping in an ...

A recent study observed sleeping participants' pupils during sleep, using a new method that could have implications for studying sleep disorders. Reading time 2 minutes Though sleep is a time to power ...

Dogs’ shenanigans are bound to leave their owners surprised. However, did you know they can even act quirky while sleeping? A recent clip on social media has been capturing this moment in the cutest ...