Many cities around the world are still protected by the old city walls built centuries ago. Though not much of a defense mechanism today, these walls are kept as remembrance of the past and often they serve as a tourists attraction. If you’ve ever been to such a city, you know there’s nothing like walking […]
For thousands of people in the United States alone, falling asleep and staying asleep is a huge problem. You wouldn’t think that something natural could be so challenging, but the National Institutes of Health estimates that “roughly 30 percent of the general population complains of sleep disruption, and approximately 10 percent have associated symptoms of daytime functional impairment consistent with the diagnosis […]