Forget about core sleep on your Apple Watch — this is the sleep metric you really need to pay attention to

What is core sleep is on your Apple Watch, and does it even matter? We look at which sleep stages matter most for quality ...
Morning Overview on MSN

Stop obsessing over core sleep on Apple Watch, track this 1 metric instead

Apple’s sleep charts can feel like a nightly report card, and “core sleep” often ends up in the spotlight. Yet the science behind wearables suggests that fixating on that one stage is a distraction ...
AOL

Here's What 'Core Sleep' Means On Your Apple Watch—and Why It Matters

Here's What 'Core Sleep' Means On Your Apple Watch—and Why It Matters originally appeared on Parade. It’s not exactly news that sleep is an important part of health. It’s also not exactly news that ...
Rolling Out

5 principles of sleep that will change your life

Sleep science continues revealing new insights about this fundamental aspect of human health. Research consistently demonstrates that quality sleep affects everything from cognitive function to ...