When the Prophet (may Allah's peace and blessings be upon him) got up at night, he would cleanse his mouth with Siwak (tooth-stick) When the Messenger of Allah (may Allah's peace and blessings be upon him) entered the privy, a servant and I used to carry a waterskin and a pointed staff, and he would cleanse himself with water I saw in my dream that I was using a tooth-stick when two men came to me, one of them older than the other. I gave the tooth-stick to the younger one, but I was told to give it to the older one first, so I did