14 tips to make the Yom Kippur fast easier – Israel News | Haaretz
Yom Kippur 5775 is upon us, and we may repent but we don’t want to suffer overmuch while about it. Or after it. Fasting for 25 hours on Yom Kippur is a fundamental tenet of Judaism and if done with aforethought, it can be spiritually uplifting and, most agree, physically cleansing. Or it can leave you with furry teeth, breath like a drain and a massive headache.
Sacha Stawski
http://de.wikipedia.org/wiki/Jom_Kippur