It is narrated from Hazrat Jabir (may Allah be pleased with him) that when we would attend the gathering of the Prophet (peace and blessings be upon him), we would sit wherever the gathering was ending.
Hadith Referenceمسند احمد / أول مسند البصريين / 20929
Hadith Gradingحکم دارالسلام:حديث حسن، وهذا إسناد ضعيف لسوء حفظ شرك، وقد توبع