Fools attempt to strengthen legs and multiply horses. Those who are His, wait for the marching in the tops of the mulberry trees.
Often, the problem is physical. There is as discipline that must go beyond the body's natural cooperation with prayer. Do you sit? Stand? Kneel? Choose the position in which the Lord is the most present.
I love to stand. Sometimes I pace a little. During prayer (always aloud) I am aware that He is listening. In my mind, He is on the Throne. Listening attentively. I choose my words carefully, for I know that the prayer time is before the Judge of all.
There is no power to compare with His.
There is nothing like prayer.
Stand before Him. State the truth according to His Word. Then, wait or move, as He indicates.