Mishkat al-Masabih

Jabir said, “God’s Messenger sent me on some business, and when I came to him he was praying on his riding-beast towards the east and making the prostration lower than the bowing.” Abu Dawud transmitted it.

وَعَنْ جَابِرٍ قَالَ: بَعَثَنِي رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ فِي حَاجَةٍ فَجِئْتُ وَهُوَ يُصَلِّي عَلَى رَاحِلَتِهِ نَحْوَ الْمَشْرِقِ وَيَجْعَلُ السُّجُودَ أَخفض من الرُّكُوع. رَوَاهُ أَبُو دَاوُد