Yesterday, I wrote that prayer must precede every true revival. The when God sends a revival, prayer among God's people will increase. One example from history is in the ministry of George Whitefield...
"Sometimes whole nights were spent in prayer. Often we have been filled as with new wine. And often have we (been) overwhelmed with the Divine presence and crying out, 'Will God indeed dwell with men upon earth? How dreadful is this place! This is none other than the house of God and the gate of heaven!'" (Brian H. Edwards, Revival! A People Saturated with God, pg. 125).
To have prayer times like that, we first must devote ourselves to pray that revival will come.
Praying for revival