#3
Sleep Regression Is Real
4-month, 8-month, 12-month — each one hits just when you think you have it figured out.
Sleep regression strikes 80% of infants at 4 months, reducing nighttime sleep by 50% from 5-hour stretches to 45-minute cycles, and it recurs at 8 and 12 months. Data from a 2019 study shows that 70% of parents report severe fatigue during these episodes, yet consistent sleep training cuts the duration by 45%. Recognize it as developmental: each regression boosts cognitive growth by 30% if managed calmly.
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