Be devoted to prayer is the exhortation in Colossians 4:2. You will find this a very simple thing do to as you walk and live in the leading of the Holy Spirit. As with many things Spiritual, we have believed lies that it was either a concentrating strained effort or else a drudgery. On the contrary, praying in the Spirit is as natural to a born again Spirit filled believer as being joyful and awake. In our own fleshly effort it would be a poor excuse for effective prayer.
Scripture encourages us to pray constantly, (Acts 1:4, Thess. 1:11). This is done as we listen to the Spirit in our heart