This article is a part of CNN Underscored’s Guide to Sleep, a weeklong focus on everything you need to sleep better. We’ll be featuring new products, tips and exclusive deals all week, so check in ...

I wasn’t sleeping well, so I took Thorne’s Sleep Test to uncover the cause. Here's what I learned about my out-of-whack hormones. Aly Lopez was a writer on the sleep and wellness team at CNET. She ...