"O you who believe! Bow down and prostrate yourselves and serve your Lord, and do good that you may prosper."-(HOLY QURAN 22:77).
"And he (Jesus) went a little further, and fell on his face, and prayed..."-(MATTHEW 26:39).
"And Joshua fell on his face to the earth, and did worship..."-(JOSHUA 5:14).
"And he (Elijah) cast himself down upon the earth, and put his face between his knees."-(1 KINGS 18:42).
"And they (Moses and Aaron) fell upon their faces..."-(NUMBERS 20:6).
"And Abraham fell on his face..."-(GENESIS 17:3).
The Muslim prayer begins with standing, reciting the quran, bowing then prostrating which is when the face is on the ground. Muslims pray like the Prophets pray, isn't it time you prayed like the Prophets?