https://www.linkedin.com/in/rob-ter-horst-90756a4a/?originalSubdomain=at and citing only one paper about it which says the Polar H10 has with 99.6 accuracy and has the «best heart rate» and keep silent about the other papers? 2. Testing and promoting the Dreem2 and the Verity Sense to track sleep and discussing validation papers about these devices and concluding that these devices …