When my husband plays the harmonica for our church praise team, I have noticed that he sometimes closes his eyes when he plays a song. He says this helps him focus and block out distractions so he can play his best—just his harmonica, the music, and him—all praising God.

Some people wonder if our eyes must be closed when we pray. Since we can pray at any time in any place, however, it might prove difficult to always close our eyes—especially if we are taking a walk, pulling weeds, or driving a vehicle!

There are also no rules on what position our…