Rashi on I Kings
He spread himself out. [ויתמודד is] an expression of מדה, [i.e.,] he spread himself upon him.16Eliyahu prostrated himself in the same manner as Elisha did, in the case of Shunamis’ son. He placed his eyes on the youth’s eyes, and his mouth on the youth’s mouth, in II Melochim 4:34.—Radak