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[[Category:Tools]]
{{Tool Infobox|Related topics=Sleep tracking, HRV}}
'''Emfit''' is a manufacturer that produces the "Emfit QS" – a sleep tracking device that is not wearable but instead placed under the matress to do [[sleep tracking]] while also providing [[HRV (Heart Rate Variability)|HRV]] data<ref>https://emfit.com/</ref>.
== Cost ==
The Emfit QS requires a subscription and costs $200 for 3 years.
== References ==
<references />
[[Category:Tools]][[Category:Hardware]][[Category:Sleep tracking tools]][[Category:Fitness and heart rate tracking tools]]