Does anyone know why my one year old baby screams in his sleep? Eli does it every night. We are not talking about that kind of screaming bell that may suggest night terror. His scream usually lasts no longer than a minute. It's annoying if I'm awake. Yes, I said it, my son is annoying sometimes. Still love very much regardless, in case he reads this when he's older. The only think I can think of is that his dad sleep talks sometimes. It's creepy when you are not prepared to hear someone sleep talks, because it usually comes on very sudden and loud. Sometimes it's all gibberish. So maybe Eli got this weird habit from his dad. So if anyone has any idea what this is and how to stop it, please leave a comment.