6 months and going strong. He sleeps so soundly when he falls

How to Get Your Baby to Nap

The Fall: My dad emerged broken from the hospital. Then he was gone.

Little Clarity For Parents Wondering Where Their Infant Should Sleep : Shots - Health News : NPR

Baby sleep: what to expect at 2-12 months

Why Some People Respond to Stress by Falling Asleep - The Atlantic

Moro reflex in babies: A complete guide

Baby Sleep Training Basics: When and How to Start

Why Do Babies Sleep With Their Butt In The Air? It's Comfy For A Reason

Why Won't My Baby Sleep Through the Night?

What To Do When Baby Rolls Over in sleep?– Nested Bean

Some Babies Sleep Better in Car Seats and Swings, but Are They Safe? - The New York Times

What To Do When Baby Rolls Over in sleep?– Nested Bean

How Long Should a Newborn Sleep Without Feeding? - Smart Sleep Coach by Pampers™

Melatonin for Sleep: Does It Work?

Baby's sleep at 3-6 months: understanding your baby's sleep needs – Little Ones