Hadith about the prophet and his daughter fatimah tongue suckling

Musnad of Ibn Hanbal: "Muhammad would not sleep until he sucked the tongue of his daughter Fatima and nuzzled his face in her bosom." I want to know if this hadith is authentic or not(fabrication) and if it is authentic I want to know the purpose/reason to why the prophet muhammed(peace and blessings be upon him) did this