.pyd{font-family:inherit;color:#1A1F2E;max-width:640px}.pyd p{line-height:1.6;color:#454C60}.pyd .lede{font-size:1.08rem;color:#1A1F2E;font-weight:600}.pyd .badges{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.pyd .badge{font-size:.8rem;font-weight:700;background:#FBF8EE;border:1px solid #ECE6D4;border-radius:999px;padding:6px 12px}.pyd h3{font-size:1.05rem;margin:24px 0 10px}.pyd ul{margin:0;padding-left:0;list-style:none}.pyd li{position:relative;padding:7px 0 7px 26px;color:#454C60;border-bottom:1px solid #F1ECDD}.pyd li:before{content:'';position:absolute;left:0;top:13px;width:9px;height:9px;border-radius:50%;background:#24D1A8}.pyd .src{margin-top:22px;background:#FBF8EE;border:1px solid #ECE6D4;border-radius:14px;padding:16px 18px}.pyd .chips{display:flex;flex-wrap:wrap;gap:7px;margin:10px 0 8px}.pyd .chip{font-size:.76rem;font-weight:800;background:#fff;border:1px solid #E3DCC8;border-radius:8px;padding:4px 9px;color:#2281EA}.pyd .src small{color:#8B8FA0;font-size:.74rem}.pyd .val{margin-top:18px;font-weight:700}.pyd .val s{color:#8B8FA0;font-weight:600} Better nights, stage by stage — without the guilt trip. Sleep is a skill the brain builds on a timeline. This guide separates the safe-sleep non-negotiables from technique, decodes the ‘4-month regression,’ and gives you a bedtime routine that grows with your child. 📱 Interactive🖨️ Printable PDF👶 Ages 0–6♾️ Yours for life What’s inside Why the body clock isn’t built yet The ‘4-month regression’ is actually a leap forward ‘Sleeping through’ means linking sleep cycles Consistency beats any single technique Gate 1: lock in safe sleep — every age it applies Gate 2: build the routine that grows with them Questions for your pediatrician Grounded in expert guidance AAPAAPDADA Synthesized from published clinical guidance and written in plain English. Educational information, not medical advice. Cited as sources — Poki Yoki is not affiliated with or endorsed by these organizations. $12 value — yours today for $7.