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T3
T3
Technology
Bethan Morgan

What is REM sleep and why is it important?

REM Sleep.

If you’re looking to get the best night’s sleep in 2026, then you need to be focusing on your REM sleep.

I’ve been testing a Luna smart ring for the past few weeks, and its sleep features have been my favourite (stay tuned for my review coming soon). In the ring’s app, it breaks down my sleep analytics every night, and analyses my different sleep stages per hour.

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