The best measurement of how you sleep is how you feel when you wake up.

But if you crave more granular data on your snooze, sleep trackers can be an extremely helpful tool.

And it does so pretty accurately.

Emma Loewe

Both Breus and Bhopal trust the discreet ring with their sleep tracking.

Oura rings are designed to be worn all day long, not just during sleep.

These readings can be accessed in real time on the Oura app.

Scott Nass, M.D., MPA, FAAFP, AAHIVS

It’s free for the first six months; then you have to pay $5.99/month.

It’s also been shown to givevery accurate readingson time awake vs. time asleep in research trials.

Plus, you’ll get access toCalm’s library of sleep meditationsto help you wind down.

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But the real selling point of the Versa 4 is its activity features.

All that moving around during the day willimprove your sleepat night!

It also provides insights into yourheart rate variability; a key indicator of stress and relaxation levels.

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However, the company is lacking the sleep metrics accuracy testing of Fitbit and Oura.

Reviewers do note that setup is a bit arduous, and the pod cover is heavy and cumbersome.

But once you get it on your bed, you’re all set to track your sleep wearable-free.

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“The Eight Sleep Pod 3 Cover for my mattress was a game changer for me.

“Longevity specialistSeema Bonney, M.D.

Together, these metrics will give you a good idea of youroverall sleep quality.

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Consider comfort.

Take the results with a grain of salt.

For this reason, they shouldn’t be used to diagnose a sleep disorder.

So whatever option you go with, don’t expect it to be perfect.

Again, the most accurate gauge of sleep is how you feel in the morning.

How to use your sleep tracker, according to sleep specialists.

People who have sleep-related stress alreadylike those with insomniamight also find that they do more harm than good.

Frequently asked questions

How do smartwatches know you’re asleep?

Sleep trackers like watches and rings have built-in sensors that monitor things like your heart rate and temperature.

Which health tracker is best for sleep?

Can sleep trackers detect sleep apnea?

For this reason, sleep trackers should not be used to diagnose sleep disorders.

If you suspect you have sleep apnea, you’ll want to consult your doctor for further testing.

Meet The Experts

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