Getting a newborn baby to fall and stay asleep is one of the most stressful — and most gratifying — parts of early parenthood. For many newborns, being wrapped in a snug swaddle is the key; a swaddle helps to minimize the startle reflex, simulates the coziness of the womb, and helps calm a baby who’s overstimulated by their bright new world.While any thin baby blanket can be used as a swaddle, many parents find that purpose-built swaddles, which rely on features like zippers and Velcro closures, are easier to use and better at keeping squirmy babies securely wrapped up.No single swaddle will work for every baby, and the right swaddle for one baby might even change as they grow. But our top pick, the Halo SleepSack Swaddle, is an ideal swaddle for most families to try first.