Sayyida Aisha Siddiqa (may Allah be pleased with her) narrates: In the beginning, people used to do their work themselves, then they would come for Jumu'ah (Friday prayer) in that same state (because of which a bad smell would spread), so it was said to them: If you take a bath (it would be appropriate).
Hadith Referenceصحیح ابن حبان / كتاب الطهارة / 1236
Hadith Gradingفضيلة الشيخ الإمام محمد ناصر الدين الألبانيصحيح - «صحيح أبي داود» (379): ق.فضيلة الشيخ العلّامة شُعيب الأرناؤوطإسناده صحيح على شرط مسلم.