Honeyrose I work midnights, and have a very physical job also. was trying Ifing a week ago with success till I blew it (now back on) I had no problum doing the 23/1 fast plus I had a lot more energy at work. all the people on this thread will give you great support as they helped me get through a rough time, (many thanks to all) I am still working out wht works best for me, but I know I well get there