Reply To: What is the most important thing on Yom Kippur?

Yungerman: Of course. Although someone who has to sleep all day may be getting close to someone who has to eat. It’s a case-by-case thing, but I do agree with you in theory. But still, someone who fasts but doesn’t do T’shuvah has fulfilled the Mitzvah of fasting (and avoided the Lav of not fasting) but has not accomplished the purpose of Yom Kippur.