I remember as a young believer listening to older Christians talk about how they pray for hours. I wondered what they were praying for. Ten minutes was okay for me then, so what were they praying for. You may be like me those days and wondered what people are praying for, for hours. Prayer involves more than 10minutes of recitations of the Lord's prayer. It is communion with God, fellowship with God. You talk to Him and He talks to you. He shows you things and gives you the burden to intercede, supplicate, bind demonic forces, lose strongholds of principalities and powers. Just praise and worship for who He is and being in awe of Him can take you a whole day. May we have the grace to pray. It is the best hour of the day.