What if changes in a person's stress levels could be detected while they sleep using wearable devices? A new study find changes in perceived stress levels reflected in sleep data -- an important step ...

While I'm aware this will make me sound smug, I generally consider myself a good sleeper. Since giving up alcohol nearly four years ago, I have transitioned from disrupted sleep and experiencing ...

Though my cortisol test results stressed me out, I'm glad I know more about how cortisol affects my health. Anna Gragert (she/her/hers) was previously the lifestyle editor at HelloGiggles, deputy ...

As a longtime journalist who has tested plenty of gadgets and gizmos, I’ve tried my fair share of watches, rings, trackers and apps promising to alter my health—and help reduce my stress and improve ...

Hormones like testosterone, cortisol, melatonin, and more directly influence men’s mood, energy, and sleep quality. Hormonal ...