Finally, seated in meditation beneath a pipal tree at Bodh Gaya in India, the Four Noble Truths were revealed to him.
He was lying down in meditation when the FOUR NOBLE TRUTHS were revealed to him. 
mnli hypothesis: He was lying down in meditation when the FOUR NOBLE TRUTHS were revealed to him.  premise: Finally, seated in meditation beneath a pipal tree at Bodh Gaya in India, the Four Noble Truths were revealed to him.