Our internal body clock is set via a combination of biology (nature), light exposure and social scheduling (nurture).
Sleep is essential for good executive functioning and for good general health. So how do candidates keep up the grueling demands of their schedules?
It seems we do dream of the things we try to suppress.
About half of us will experience at least one lucid dream in our lives, where we are aware and may be able to take control of it. What can this tell us about consciousness?
Composer Max Richter – with his epic, eight-hour-long piece Sleep – aims to be an auditory sandman.
Sleep paralysis is an enigmatic, terrifying condition in which the mind is awake but the body is asleep. But how much do we actually know about it?
Tracking sleep is now routine in monitoring overall well-being. But are the devices used to do this actually useful, or have we simply found a more sophisticated way to clock watch?
Perhaps because we all need sleep, we have an enduring interest in sleep disorders such as narcolepsy, which causes a constant irrepressible need for sleep.
Your eye movements may be changing the images in your dreams when you sleep.
Brain activity during the dreaming phase of sleep is remarkably similar to brain activity when we're awake and processing new visual images, new research shows.