If you are worried about suffering from sleep deprivation, then you are probably wondering why and how does it even occur? Sleep deprivation affects over twenty-five percent of the American population. Sleep deprivation can make one feel less energetic, very fatigue and tired, irritable and sensitive, and sometimes even depressed. Sleep deprivation also harms our brain, immune system, and digestive organs, which can cause major symptoms. But what causes all […]