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 doesn’t cost you any more)📸 My new favorite camera (Sony ZV-E10): Camera body (main):