In the first three non-rapid eye movement (NREM) stages, your body temperature lowers and your heartbeat slows down. Sleeping ...

Everyone strives for a good night's sleep, but it's not always easy to achieve. Little you may know, a common habit may be ...

Dr. William Lu shares how a simple psychological trick called stimulus control can help break the wakefulness link with your bed and improve sleep quality.

So why not start off on the right foot? While everyone has their own way of settling in when arriving to a new destination, ...

Seals are another marine animal that sleeps with their eyes open. Like dolphins, they have a special way of sleeping. Seals often sleep while floating in the water, and they can keep one eye open to ...