Hadith #606The Book on Traveling · Narrated by Abu Ishaq al-Sabay'ai' أبو إسحاق السبيعي عمرو بن عبد الله, Abu Juhayfa al-Sawai', al-Hakam bin 'Abdullah الحكم بن عبد الله النصري, al-Hakam bin Bashyr الحكم بن بشير بن سلمان, Ali ibn Abi Talib, Muhammad bin Hmyd bin Hyan محمد بن حميد بن حيان
the Messenger of Allah said: “The screen between the eyes of the jinns and nakedness of the children of Adam when one of you enters the area of relieving oneself is saying: ‘Bismillah.'”
Hadith #314The Book of Purification and its Sunnah · Narrated by Abu Ishaq al-Sabay'ai' أبو إسحاق السبيعي عمرو بن عبد الله, Abu Juhayfa al-Sawai', al-Hakam bin Bashyr الحكم بن بشير بن سلمان, Ali ibn Abi Talib, Muhammad bin Hmyd bin Hyan محمد بن حميد بن حيان
“The Messenger of Allah used to have a bath to cleanse himself from sexual impurity, then he would warm himself with me before I had the bath.”