director of the Center for Human Sleep Science at the University of California, Berkeley and author of the excellent book Why ...

Sleep also enables the body to repair and replenish cellular material that is damaged or depleted. Important bodily functions ...

Why can’t I just sleep? I’m no stranger to insomnia ... knitting, colouring books etc”) until we were sleepy, and to repeat the cycle as many times as possible. I played the piano ...

But why do our dreams feel so real? When we sleep, the activity of the prefrontal cortex of our brain – which controls our rational judgment – decreases. But REM sleep increases the activity ...

We interviewed three sleep experts to help you dissect what your dreams mean. Here's what we learned about dreams, what they mean and why you have them. Simply put, "Dreams are thoughts ...

We need sleep to survive — just like we need food and water. So, it’s no surprise that we spend about one-third of our lives sleeping. Let’s take a closer look at why we sleep, along with ...

We sleep. Around 350 B.C., Aristotle wrote an essay, “On Sleep and Sleeplessness,” wondering just what we were doing and why. For the next 2,300 years no one had a good answer. In 1924 German ...