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sleep science

2 articles tagged with this topic

Tired mother holding awake baby during 4 month sleep regression at night
Sleep Guides

4 Month Sleep Regression: Why It Happens and How to Get Through It

The 4 month sleep regression marks a permanent shift in your baby’s sleep architecture as their brain matures to produce adult-like cycles. This article explains the neuroscience, identifies signs, an

Jeehoo Jeon·May 10, 2026·9 min read
Exhausted mother at 3am during 3 month sleep regression, sitting by baby's bassinet in dim bedroom light
Sleep Guides

3 Month Sleep Regression: Why Your Baby’s Sleep Is Falling Apart (And How to Survive It)

The 3 month sleep regression marks when your baby’s sleep architecture matures from chaotic newborn

Laeeka Edries·14 min read