Medically reviewed by Allison Herries, RDN Key Takeaways Melatonin is a hormone that regulates your circadian rhythm and ...

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 ...

While melatonin supplements can support the onset of sleep in most people, the time it takes to work and the duration of its activity can vary. Extended-release melatonin may provide longer elevated ...