「Shaping pillows prevent flat head」

Newborn Sleep 101: The Only Four Things That Matter in the First Three Months

Forget sleeping through the night. Read sleep cues, use daylight, and hold the safe-sleep line — the first trimester of sleep is simpler than it looks.

The 4-Month Sleep Regression Is Actually an Upgrade — Here's the Playbook

A permanent maturation of sleep architecture, not a phase to wait out. Independent settling, a fixed routine and watched wake windows help your baby run the new system.

Toddler Sleep, Ages 1–3: Nap Transitions, Bedtime Stalling and the Great Crib Escape

When and how to drop to one nap, boundary scripts for bedtime negotiation, and the right time to move to a big-kid bed.