We all know a balanced diet and staying active play an essential role in living a healthy lifestyle but there is one piece of the puzzle that can often be overlooked, and that is sleep. Studies have shown that sleep is integral to many of our vital functions such as immunity, metabolism and memory. Therefore, if I ever have to choose between eating well, working out or getting into bed early, I'll always go with the latter. Besides, if you are exhausted you are unlikely to get the mos[...]