If you're fasting, you learn to keep yourself well hydrated. I put a little lite salt in whatever I'm drinking in the morning. If you're not well hydrated and

If you're fasting, you learn to keep yourself well hydrated. I put a little lite salt in whatever I'm drinking in the morning. If you're not well hydrated and your electrolytes are low, you get fatigued during the day (or at least I do). I fast for 23 hours every day, eating one larger than normal meal in the evenings.