The virtue of sahur, which is recommended. It is recommended to delay it and to hasten the breaking of the fast — Sahih Muslim 1097 a

We took meal shortly before dawn along with the Messenger of Allah (ﷺ). We then stood up for prayer. I said: How much span of time was there between the two (acts, i. e. taking of Sahri and observing of prayer)? He said (a span of reciting) fifty verses.