Originally Posted by AfterSchoolMom:
Can anyone think of a way to get a one year old to stop randomly screeching and screaming at the top of their lungs for no reason? I've got another that's a VERY light sleeper, and though she can sleep through playing and other normal noise, that sudden, ear piercing screech wakes her up every single time. It drives me batty. 
I have three 1 year olds and they all do it on occasion - though, before I started telling them "no squeeling/screaming" in a stern voice they did it ALL THE TIME!