If you had told me a few weeks before my littlest’s first birthday that by the second week of January I’d be getting 8 hours of (mostly) uninterrupted sleep a night, feeling fresh and rested, and able to run 5km three mornings a week, I would have laughed at you. I would have laughed hard.

Because I was a wreck. Every time I switched off my light at night I felt like I was going into battle, never knowing quite when my adversary would strike, or how many times – but knowing it was coming. A good night was the baby...