Al-Bara,’ said that the bowing observed by the Prophet, his prostration, his sitting between the two sajdas, and when he raised his head after bowing, but not the standing and the sitting [when saying the shahada, were nearly equal.
When the Prophet said, “God listens to him who praises Him,” he stood so long that we thought he had omitted something; then he would prostrate himself and sit between the sajdas so long that we thought he had omitted something.