Whoop Strap 4. 0: Science Review

I tested the Whoop Strap 4. 0 against a scientific sleep EEG device. Also, I tested the heart rate accuracy and compared the Whoop Strap 3. 0 to the 4. 0. Subscribe to my weekly Newsletter( ) on Instagram: Twitter: QuantifiedRob 30 off any new WHOOP membership, affiliate (paid) link, supports the channel (30 off any new WHOOP membership) Amazon Affiliate (paid) links. Supports the channel, doesn t cost you any more Apple Watch 41 mm: Apple Watch 45 mm: Fitbit Charge 5: Fitbit Luxe: Fitbit Charge 4: Fitbit Sense: Fitbit Inspire 2: My Gear (paid links, supports the channel and doesnt cost you any more) My new favorite camera (Sony ZVE10): Camera body (main):