If you are constantly tired, your first instinct may be to blame poor sleep. While rest is important, energy levels are influenced by much more than how many hours you spend in bed. Nutrition plays a major role in how steady, focused, and resilient you feel throughout the day. The Blood Sugar Roller Coaster Many people begin their day with high-carbohydrate, low-protein meals. Think pastries, sugary coffee drinks, or cereal. These foods cause a rapid rise in blood sugar follo