Forget deep sleep — REM sleep is key to longevity and the sleep tracking metric to pay attention to, experts say

T2Covered by 1 source · first reported by TechRadar / Tom's Guide / PCWorld / Pocket-lint / Stuff at 23 Oct, 09:14 UTC

A recent study has found strong links between REM sleep and a risk of 83 diseases. Experts explain why you might be missing out on this vital sleep stage and how to get more of it.