The Messenger of Allah ﷺ forbade us from coming to our wives unannounced at night, but later we did come to them unannounced.
حدثنا سفيان عن الأسود عن نبيح
نهانا رسول الله ﷺ أن نطرق النساء ثم طرقناهن بعد
No references are available.
Its isnad is sahih. It was mentioned previously at 13460. See also 14118, 14128.