New research shows that even modest sleep loss can affect hormones, activity, and weight—revealing why sleep is central to ...

Waking an athlete at 2 a.m. for anti-doping testing isn't just inconvenient. It's ignoring the science of sleep and ...

From the U.S. government to wellness influencers, testosterone testing has been touted as the latest key to masculinity. But what do experts actually think?

While some research has shown benefits for patients who qualify, questions remain about the therapy's long-term risks and use ...

If you have issues with sleep, it can be helpful to wear a sleep tracker to bed to monitor your sleep habits. These devices are designed to analyze why you’re having trouble getting enough quality ...

Researchers from ETH Zurich have developed a portable measuring device that detects the metabolic marker acetone in breath ...

While more research is needed to support the claim that CBD improves sleep, some people find that it helps them relax before bed. We vetted over 150 gummies and tested 20 of them to determine the best ...