What is the 234 sleep rule?
What is the 234 sleep rule? The 2-3-4 rule suggests that your baby should be awake for a specific duration between naps. It recommends 2 hours of wakefulness from morning wake-up until the first nap, followed by 3 hours between the first and second nap and then 4 hours from the end of the second nap until bedtime.
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