Is praying for the same thing more than once acting in doubt?
Not always, but it can be. The good news is that it’s not hard to recognize the difference.
First, let’s establish this: It is always appropriate for a child of God to communicate openly with the Father. We don’t have to completely stop praying about something once we have taken a stand in faith. When we have taken a specific stand in faith, we can expect that God will continue to speak to us about that situation and He will give us the wisdom and insight we need.