Teach Baby to Sleep Through the Night (Again) Out of nowhere, your star sleeper is up in the middle of the night again. Don't panic, we'll help everyone rest easy.
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Most babies are ready to sleep through the night by 3 to 4 months
5 Sleep-Through-the-Night Strategies: (via Parents.com)
Sleep train your baby in 7 days. Pinner said: Our daughter slept through the night at 6.5 weeks thanks to this - we started it with her at 5 weeks. We'll do it with the next one, too!