Is a sleep regression at 12 weeks possible? 2 hour first night time sleeps became 3-4 hour sleeps became a week of glorious 6 hour sleeps, only for everything to come crashing down again last week and we're back to 2 hours (or less) all night.
He did have a cold when it started but he's better again now. I feel like the 6 hour stretches were just to taunt me 