Jami` at-Tirmidhi 275
جامع الترمذي#275SahihJabir narrated that :the Prophet said: "When one of you prostrates, then let him be balanced, and let him not lay his forearms down like the lying of the dog
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiSahih
In-book reference: 2:127