Anonymous1 year ago000Is the vibration alarm strong enough to wake you up?Show in original language (German)zafersarica1 year ago000 Helpful answerIf you sleep deeply, it may be difficult to hear. I think it's different for everyone. I hope I have answered your question. Show in original language (German)Commenttamlinhchau1 year ago000Sorry, I've never used this function.Show in original language (French)Comment