Abu Qatada reported that when the Messenger of Allah (ﷺ) was in a journey he got down for rest at night, and he used to lie down on his right side, and when he lay down for rest before the dawn, he used to stretch his forearm and place his head over his palm.
Reference: Sahih Muslim 683 In-book : Book 5, Hadith 401 USC-MSA web (English) : Book 4, Hadith 1453 (deprecated)
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