´It was narrated from Abu Hurairah that:` The Messenger of Allah (ﷺ) said: "The closest that a person can be to his Lord, the Mighty and Sublime, is when he is prostrating, so increase in supplication then."
Hadith Referenceسنن نسائي / كتاب التطبيق / 1138
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح مسلم