Hi! I've done 5 flushes - not as many as most. Though not on prescription meds, I decided that Friday was the best bet. I am a teacher, so during the school year I am limited to weekends too. Here is how to make the most of your free time because, you definitely want to be near a bathroom and unencumbered by professional situations. On Friday, as per the Hulda Clark protocol, eat no fat, and eat lightly morning - maybe just raw veggies for lunch - NO FATS ALL DAY - nothing to drink after 2 pm. You'll be surprised that this will get you through the day without feeling too fatigued or distracted and then you will be in position to follow through with the cleanse. Saturday morning I have always been quite functionanl if I can have at least til 8 am in bed. It surprised me how positive an experience it is. Your doctor might give credence to the procedure if he saw the written information and I would certainly ask him, but waiting for conventional medical approval might be a long time coming. his cleanse is truly amazing in its effects!