Prostrating is a frequent way of Prayer throughout the Bible. In verses such as:

1. Matthew 26:39–
"Going a little farther, he (Jesus) fell with his face to the ground and prayed, ‘My Father’

2. Genesis 17:3–
"Abram fell facedown, and God spoke with him."

3. Kings 18:42–
"Elijah climbed to the top of Carmel, bent down to the ground, and put his face between his knees."

4. Revelation 7:11–
"All the angels stood around the throne and the elders and the four living creatures, and they fell facedown before the throne and worshiped God."

And in many other verses such as: Luke 5:12, Mark 14:35, Nehemiah 8:6, 2 Chronicles 20:18, Joshua 5:14, Exodus 34:8, and so on.