Praying, specifically, are such benefits which can not understandable by any one rather than you can feel it, but promotes virtous ideals and personal character growth.
Better sense of self - By praying you could bring yourself closer, higher power which you are pray to. As per research by Columbia University it is proved that prayer can reduce ego and promotes humility.
Good for your heart - Prayer could revolutionary benefits to regulate your heartbeat, it also makes stronger and less stressed.
Increase lifespan - By praying, you could maintain yourself in your body to make it more efficiently and age more smoothly, it could minimise all life-threatening effects of stress and all environmental factors.
Improve attitude - Prayer could made you humble. By praying we come to understand that how large the world is and how minor our problems is. When we praying positively, means we pray for others, we tend to see a change in our overall attitude and making us more relaxing, happy in both mentally and socially.
Gain forgiveness - As one of the above point, prayer makes us humble, so automatically, it opens in ourselves to forgiveness. It is very important to know that we are humans who make mistakes and that praying could helps us to forgive our past mistakes made that we can move on.