It is narrated from Sayyidah Aishah (may Allah be pleased with her) that when the Messenger of Allah (peace and blessings be upon him), and then she narrated the complete hadith about the manner of the prayer of the Messenger of Allah (peace and blessings be upon him). In it, it is also mentioned that Aishah (may Allah be pleased with her) said: When he (peace and blessings be upon him) raised his blessed head from bowing, he would not prostrate until he had stood up straight, and when he raised his head from prostration, he would not make the second prostration until he had sat up straight.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 2745