… aimed at people who have not fasted much. Beware of unbridled enthusiasm, fasting for 25 hours is not easy, especially on a hot summer day.
– Shira Isenberg’s fasting advice on the Jewish Action website
– Batya’s advice from 2008 but of course still relevant today
– Tips to Ensure an Easier Fast by Ira Milner
– My own two cents on the subject