Sagittarius free horoscopes romantic free horoscopes and sagittarius information. Metabolism is the process by which your body converts what you eat and drink into energy. during this complex biochemical process, calories in food and beverages are combined with oxygen to release the energy your body needs to function. Guide to boost your metabolism. for example, a sedentary 55-year-old woman who's 5' 4" tall and weighs 175 pounds only needs about 1,400 calories per day to keep the body going. So while a bedtime snack isn't going to be the magic bullet to boost metabolism, it likely won't hurt your overall health goals-and can actually help you sleep more soundly and feel even better tomorrow. the optimal bedtime snack should fall between 150 to 250 calories, thole-summers says, and include a mix of fiber-rich carbs and protein to fill you up. Eat Your Way To A Faster Metabolism Webmd Metabolism and weight loss: how you burn calories mayo. A person’s metabolis...