Totally, like many of them can't even hold their necks up. We're expecting our second in a few months, and I can't even imagine how much easier it would be (lol as a parent, not as a pregnant mother) if the baby was 5 months older when it was born. You'd avoid the first sleep regression - I do wonder if the first sleep regression happening around 4 months means they're "supposed" to have gone through it before they're born.