You can view the sleep score on your iPhone or on your Apple Watch. On the watch (Series 6 or later), go to the Sleep app.

Study suggests sleep patterns shifted with modern-day habits. July 23, 2014— -- Though closing our eyes and drifting off into unconsciousness is one of the simplest tasks we perform each day, ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. “Between 30% and 48% of seniors complain of ...