There are two kinds of churches. The kind where you go, pray, and leave after one hour, and the kind where you worship the whole day and sometimes even through the night. The only time I saw people staying in church all night when I was growing up was on Christmas and New Year's Eve.
Fasting was a concept I had only heard of in school courtesy of CRE lessons and now people are out here trying to act like Christ. He stayed without food in the desert for 40 days and nights, and preachers have now convinced their folk that they can do the same.