It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) said: "When any one of you becomes drowsy while sitting in his place on Friday, he should change his place."
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 4875
Hadith Gradingحکم دارالسلام:ضعيف مرفوعا، و الصحيح وقفه كما سلف برقم: 4741