For three exhausting years, Lauren Lockwood tried to get her son Rex to sleep through the night. As an infant, he couldn't sleep without a blanket over his carrier to drown out the world around him. At age 2, it sometimes took hours for him — and her — to fall asleep, only for him to be jolted awake from night terrors that left him shrieking in panic. Over the years, Lockwood, a nurse midwife who runs a group for new moms from her home in Oakland, California, experimented with a gamut of approaches to bedtime.

https://www.phillyvoice.com/melatonin-supplements-child-sleep-aid

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