often there is a lot eaten what sugar contains and let that be a cure for your energy. as a result, now that you have reduced or no more goodies, you end up in a dip. perhaps you noticed during the holidays that you are not doing well? your body is in a switching mode, of a lot of food (only that requires more energy than normal) and sugars, your body has to work extra hard both during and after such a period of abundance of food. you might drink a glass of wine or something extra and forget to drink water. another one that is easy to get in 