Abu Hurairah (May Allah be pleased with him) reported:
The Messenger of Allah ﷺ said, "A slave becomes nearest to his Rubb when he is in prostration. So increase supplications while prostrating."

[Muslim].

وعن أبي هريرة رضي الله عنه أن رسول الله ﷺ قال:
"أقرب ما يكون العبد من ربه وهو ساجد، فأكثروا الدعاء" ((رواه مسلم)).