It is 2:17 in the morning. You are awake. Again. You fell asleep just fine. That was hours ago. Now you are staring at the ceiling, doing the math on how many hours you can still get if you fall back asleep right now, thinking about the email you forgot to answer and the permission slip you forgot to sign and the appointment you keep meaning to make. You are not depressed. Your life is good. You know it. That is part of what makes this so confusing. You have tried the melatonin, the app with the rain sounds, going to bed earlier, and the glass of wine you already know does not help. None of it has worked, because none of it was aimed at the problem you actually have. This is a short, specific book about why busy women in their late thirties and forties cannot stay asleep - and what actually works