I remember having a conversation with my brother after my niece Rachael was born. She was a few weeks old at this point, and Barry was looking a little haggard, but no worse than to be expected. I was twenty years old, and I asked the most important question I could think of about parenthood: “How are you doing without the sleep?” He said, “After a while, you realize you just don’t need it.” Fast-forward fourteen years and that’s proved true. Sort of. My brother has a far greater capacity than I do for getting by without much sleep, and I haven’t turned out to be the superstar he’s been in that regard, but I’ ve definitely learned to get by with a lot less. For at least the first three weeks, admittedly, I did not cope well with the sleeplessness. But after that, something happened. Things just… got better. Maybe my body realized that this is the new normal. And it’s not that I don’t feel tired, but I’ ve just found a way to push that fatigue off to the side somewhere. I don’t nod of...