Whoop 4.0 review: in pictures
The Whoop 4.0 is much more than a detailed sleep tracker and people who work out regularly will see more benefits than those who lead a sedentary life. It's a great way to understand your body and optimize your workout regime.


1 of 22 Image: Whoop
Whoop 4 recovery in ice bath
2 of 22 Matthew Miller/ZDNET
Whoop 4.0 retail package and accessories
3 of 22 Matthew Miller/ZDNET
Whoop SuperKnit band
4 of 22 Matthew Miller/ZDNET
Battery pack charging the Whoop
5 of 22 Matthew Miller/ZDNET
Outside of the waterproof battery pack
6 of 22 Matthew Miller/ZDNET
SuperKnit Ice color band
7 of 22 Matthew Miller/ZDNET
Easy attachment system
8 of 22 Matthew Miller/ZDNET
Black Whoop band
9 of 22 Matthew Miller/ZDNET
Everyday boxer package
10 of 22 Matthew Miller/ZDNET
Gray Everyday boxer
11 of 22 Matthew Miller/ZDNET
Secure pocket for Whoop sensor
12 of 22 Matthew Miller/ZDNET
Details of a night of sleep
13 of 22 Matthew Miller/ZDNET
Sleep consistency plot
14 of 22 Matthew Miller/ZDNET
Week of recovery data
15 of 22 Matthew Miller/ZDNET
Week of sleep data
16 of 22 Matthew Miller/ZDNET
More sleep data
17 of 22 Matthew Miller/ZDNET
Time in bed plot
18 of 22 Matthew Miller/ZDNET
Resting heart rate history
19 of 22 Matthew Miller/ZDNET
Average heart rate data
20 of 22 Matthew Miller/ZDNET
Week overview
21 of 22 Matthew Miller/ZDNET
Awesome health monitor view
22 of 22 Matthew Miller/ZDNET
Running activity result
Related Galleries
Holiday wallpaper for your phone: Christmas, Hanukkah, New Year's, and winter scenes
![Holiday lights in Central Park background]()
Related Galleries
Holiday wallpaper for your phone: Christmas, Hanukkah, New Year's, and winter scenes
21 Photos
Winter backgrounds for your next virtual meeting
![Wooden lodge in pine forest with heavy snow reflection on Lake O'hara at Yoho national park]()
Related Galleries
Winter backgrounds for your next virtual meeting
21 Photos
Holiday backgrounds for Zoom: Christmas cheer, New Year's Eve, Hanukkah and winter scenes
![3D Rendering Christmas interior]()
Related Galleries
Holiday backgrounds for Zoom: Christmas cheer, New Year's Eve, Hanukkah and winter scenes
21 Photos
Hyundai Ioniq 5 and Kia EV6: Electric vehicle extravaganza
![img-8825]()
Related Galleries
Hyundai Ioniq 5 and Kia EV6: Electric vehicle extravaganza
26 Photos
A weekend with Google's Chrome OS Flex
![img-9792-2]()
Related Galleries
A weekend with Google's Chrome OS Flex
22 Photos
Cybersecurity flaws, customer experiences, smartphone losses, and more: ZDNet's research roundup
![shutterstock-1024665187.jpg]()
Related Galleries
Cybersecurity flaws, customer experiences, smartphone losses, and more: ZDNet's research roundup
8 Photos
Inside a fake $20 '16TB external M.2 SSD'
![Full of promises!]()