Sentences with phrase «sleep tracking methods»
Not exact matches
Much like a 2012 study published by the National Center for Biotechnology Information, where educational biologist Wendy Middlemiss and her team tracked the behavior and cortisol levels of 25 infants, ages 4 to 10 months, as they attempted a five - day sleep training program that focused on the cry it out method.
https://www.romper.com/
I set out to write this post on sleep training methods and their benefits (risks to come), but I got side - tracked on the topic of self - soothing.