You say carbs but what kind of carbs? Read the ingredients as they may be carbs from fruit or beans rather than real sugar.
Sugar (sucralose) is not allowed on Phase I. Other carbs such as fructose and lactose are allowed as are the carbs from legumes.
Remember this is a GOOD carb rather than a low carb plan!
... and I have no idea what kind of meds you are on that make you wake up ravenous!