January 3, 2019

Why do we dream?

Scientists aren’t really sure. Studies suggest that dreams help us cope with painful memories. Dreaming might also make us smarter and more creative during our waking […]
January 3, 2019

What happens if I don’t get enough sleep?

Doctors believe that good night’s sleep comes with many benefits, including improved creativity and mental sharpness. Avoid going to bed and you’ll soon suffer the consequences: […]
January 3, 2019

Why do I get sleepy?

Whenever you try to defeat drowsiness to finish one more Harry Potter chapter, you’re actually locked in a losing battle over bedtime with your brain stem. […]
January 3, 2019

Is yawning contagious for other animals besides humans?

You bet, at least among higher primates such as chimpanzees and bonobos (for the same reason as for humans, researchers suspect). Even more surprising, experiments show […]