I asked a (human) sleep doctor and AI to create me an ideal nighttime routine — this is the one who actually gave me good ...

A new Apple-supported study argues that your behavior data (movement, sleep, exercise, etc.) can often be a stronger health signal than traditional biometric measurements like heart rate or blood ...

Behavioral information from an Apple Watch, such as physical activity, cardiovascular fitness, and mobility metrics, may be more useful for determining a person's health state than just raw sensor ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Did you remember to wear your red-light ...

After traveling, juggling end-of-year schedule chaos, or simply operating outside of your normal regimen, even the most disciplined sleepers can feel the ripple effects. Your sleep-wake cycle runs on ...

A consistent bedtime routine is one of the most important things you can do to ensure high-quality sleep. Whether you have all evening to wind down or just a few minutes, a few simple steps can make ...