Your periods used to be manageable. Now you're planning your day around bathroom breaks and worrying about bleeding through your clothes. If your flow has suddenly become heavier, here's what might be happening — and why you don't have to simply live with it.

Your period is over. The cramps have settled. So why do you still feel like you could sleep for a week? From heavy bleeding and iron deficiency to disrupted sleep, here's what might be affecting your energy — and when it's worth getting checked.