sleepiness

People can say, even scream between sleeps due to some disorders, drugs or stressful conditions.

Researchers at the University of Tokyo, Japan, have discovered a gene involved in narcolepsy.

Our bodies are torn into two halves, depending on the battle between the biological clock and the social clock. And that's why you're sleepy.

Workers and workers suffer from sleep disorder, not only harming their own health and causing financial losses to the society every year 2 billion USD.

As if feeling tired from sleep deprivation is not enough, scientists have just stated that not having a good night's sleep can cause obesity.