It is narrated from Sayyiduna Ali (may Allah be pleased with him) in a marfu’ form that whoever deliberately relates a false dream will be made responsible on the Day of Resurrection to tie a knot in a barley grain (he will be ordered to do so).
Hadith Referenceمسند احمد / مسند الخلفاء الراشدين / 789
Hadith Gradingحکم دارالسلام:صحيح لغيره، وهذا إسناد ضعيف لضعف عبدالأعلى).