´It was narrated that Ghudaif bin Al-Harith said:` "I entered upon 'Aishah and asked her: 'Did the Messenger of Allah (ﷺ) perform Ghusl at the beginning of the night or at the end?' She said: 'Both. Sometimes he performed Ghusl at the beginning and sometimes at the end.' I said: 'Praise be to Allah who has made the matter flexible.'"
Hadith Referenceسنن نسائي / ذكر ما يوجب الغسل وما لا يوجبه / 224
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:حسن
Hadith Takhrij«انظر ما قبلہ، (تحفة الأشراف: 17429) (صحیح)»