Hadith 311
Narrated Umm Salamah, Ummul Muminin: The woman having bleeding after delivery (puerperal haemorrhage) would refrain (from prayer) for forty days or forty nights; and we would anoint our faces with an aromatic herb called wars to remove dark spots.
Hadith 3208
Narrated Abdullah ibn Abbas: The Prophet ﷺ said: The niche in the side of the grave is for us and the excavation in the middle is for others.
Hadith 4995
Narrated Zayd ibn Arqam: The Prophet ﷺ said: When a man makes a promise to his brother with the intention of fulfilling it and does not do so, and does not come at the appointed time, he is guilty of no sin.