A multiple sleep latency test (MSLT), also known as a daytime nap opportunity study, is a sleep study that measures excessive daytime sleepiness. The test evaluates how fast you fall asleep in a quiet ...

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 ...

José Mendoza's snoring was bad — but the silence when he stopped breathing was even worse for his wife, Nancy. The sudden quiet would wake her and she waited anxiously for him to take another breath.