Abu Qatada told that when God's Messenger encamped at night on a journey he lay down on his right side, and when he encamped a little before morning he raised his forearm and placed his head on the palm of his hand. Muslim transmitted it.
Hadith Referenceمشكوة المصابيح / كتاب الجهاد / 3922
Hadith Gradingالألبانی:صَحِيح | زبیر علی زئی:صحيح
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «رواه مسلم (683/313)»