My 11 month old had the same thing for 2 consecutive nights. Based on the time and way of crying I looked it up and it is called night terrors. Literature show that it's too early as it happens to 18month olds and up but upon reading the comments here, it seems a common thing with their age. According to the articles I read, my baby is actually asleep during the crying period and he doesn't recall anything in the mornings. Apparently it is more difficult for the parents rather than the crying child and there's nothing to be done about it except to make sure he doesn't awaken
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