For his own enjoyment
The angels instinctively worshiped Allah Almighty. He was like a hidden treasure. He wished to be known. He wished that someone should seek Him, discover Him, strive to meet Him. Someone should worship Him with his own will. Someone should love Him. Somebody should stand in prayer before Him. Somebody should shed tears in His love. So, He created Man. Man, who loves Him because He is his Creator, Sustainer, Provider and Lover. Man gets up in the thick of night, performs ablution and stands before Him..... Only Lovers know what Love is. It is to be Felt not to be described.