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Expert
3 min

Bio-hacking Best Practices from Coach Siim Land

February 25, 2020
News
1 min

Kickstarter Campaign - Update #2

February 18, 2020
News
1 min

Kickstarter campaign - Update #1

February 16, 2020
News
1 min

Circular is LIVE on Kickstarter

January 28, 2020
News
1 min read

How to change the interchangeable shell of my Circular Ring

January 26, 2020
News
2 min

Circular update: Exclusive content, CES, Kickstarter ...

January 20, 2020
News
3 min read

New release: Guided Breathing Exercises Circle

October 12, 2022
News
2 min read

The Circular® Global Score, Leaderboard and Streak score

October 12, 2022
Activity
10 minutes read

Average Resting Heart Rate by Age: All You Need to Know

July 27, 2022
Activity
2 min read

Understanding VO2 max: why is it useful?

July 19, 2022
Expert
10 min read

Blood Oxygen: What is a Normal Level

July 15, 2022
Activity
8 min read

Aerobic Exercises: The Best Tips

July 15, 2022
Sleep
3 min read

The architecture of your sleep. Basics n°4 about sleep

August 23, 2019
Sleep
4 min read

The sleep stages that compose your sleep cycle. Basics n°3 about sleep

August 23, 2019
Sleep
1 min read

Your personal sleep cycle. Basics n°2 about sleep

August 11, 2019
Sleep
2 min read

Better sleep, the key to your problems. Basics n°1 about sleep

August 10, 2019
News
2 min read

Why ECG is a Game Changer in Circular Ring 2 — And How to Use It Right

March 26, 2025
News
2 min read

How to Use Your HSA or FSA to Purchase the Circular Ring

August 27, 2024
News
2 min read

Explore Your Health Like Never Before with the Advanced Analytics Circle

June 4, 2024
News
2 min read

Unleash Your Potential with the New Sport Session Circle

May 28, 2024
News
3 min read

Introducing the Medication Reminder Feature in Circular: A Leap Towards a Complete Wellness Ecosystem

February 29, 2024
News
2 min read

Kira+ Beta: Revolutionizing Personal Health with AI-Powered Coaching

January 26, 2024

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