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− | Device under matress for sleeping HRV using Ballistocardiography. emfit.com 200$ for 3 years for emfit QS2.
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| + | {{Tool Infobox|Related topics=Sleep tracking, HRV}} |
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| + | '''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>. |
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| + | == Cost == |
| + | The Emfit QS requires a subscription and costs $200 for 3 years. |
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| + | == References == |
| + | <references /> |
| + | {{Tool Queries}} |
| [[Category:Tools]] | | [[Category:Tools]] |