Yep, been there still doing that, but please make sure you talk to your pediatrician before you just assume it to be a breath holding spells or a tantrum. I definately understand how frightening it is. My son did it and in our case it was right after dinner that first time, and I thought he was choking and treated it as such. He actually turned blue, his eyes rolled back and he went limp in my arms. My husband attempted the heimlich (sp?) before he actually came to. We took him to the ER that night, and then after he did it a week later (when no food was around) we took him to his pediatrician who explained it was probably breath holding spells, but he did do some tests to rule out other possible causes before he would tell us it was just a spell. There are 3 possible reasons for a child to hold his breath and pass out...heart, brain, or breath holding spells, and in our case, with a family history of Epilepsy, and the path his spells seemed to follow, it was not a cut and dry diagnosis for him. We were actually referred to a neurologist for my son, and one thing that he asked that our regular pediatrician did not is if it happened when he was overly tired which was the case, and he told us that seizures are more likely to happen when a person is tired. They ran an EEG, EKG, and MRI though and nothing showed up on it as abnormal on any of the tests. Thankfully now the spells are starting to slow down with our son, and do not seem to get to the point of passing out like before. What we have found to help is to (try) to stay calm. I could not just ignore him when he did it, and I am not sure how any mother can when their baby stops breathing, but at the first sign he may be going into one, I try to change his mindset. We have been known to say here hold the remote/phone for me, do you want a drink/candy, look at the kitty, etc, or if it is close enough to get to, spray him in the face with a water bottle. Most of the time that is all it takes and he will get his breath before passing out. I was always afraid that by ignoring him, at just age 2, you cannot be certain he did not get ahold of something and put it in his mouth and is actually choking (I think the first time made us paranoid). I could not see letting him pass out and losing that precious time if he truly could not breath. That was not a gamble I was willing to take.