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 ...

Sleep latency, or sleep onset latency, is the time it takes for you to go from being fully awake to sleeping. Sleep latency and the time it takes to reach rapid eye movement sleep (REM sleep) are ...

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 ...

Obstructive sleep apnea is an obstruction in your upper airway that stops normal breathing for a brief time while you’re sleeping. In some people, this can occur hundreds of times each night.

Sleep has never come easy for me -- quality sleep, that is. I'm a light sleeper, and I usually find myself wide awake every ...