Close
Shop
Circular 2
Circular 2
Circular Glasses
Circular Glasses
About
Features
Features
Sleep
Sleep
Activity
Activiy
Heart Rate
Heart Rate
Company
Learn
Learn
HSA/FSA
HSA/FSA
Science
Science
Professionals
Professionals
Get access to Circular 2's lowest price
ever
Features
For Professionals
Shop
Shop
Features
For Professionals
Shop
Shop
Welcome to our resources page
Find updated material to make the most out of Circular
Search
Latest
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
The Circular Ring 2 Kickstarter Campaign Is Live – A New Era for Personalized Health
March 14, 2025
News
2 min read
Why ECG is a Game Changer in Circular Ring 2 — And How to Use It Right
March 26, 2025
By Category
All
Popular
Activity
Sleep
Product updates
Sleep
2 min read
Recover when you don't get enough sleep (in a healthy way)
September 24, 2019
Activity
3 min read
Rested Heart Rate (RHR): What Increases and Decreases it ?
September 20, 2019
Sleep
2 min read
How much sleep should I get? Sleep demystified. Basics n°5 about sleep
August 30, 2019
Activity
3 min read
What is blood oxygenation level or blood saturation (SpO2): Uses and More
August 30, 2019
Sleep
3 min read
How to hack your body to get rid of stress and anxiety
August 30, 2019
Activity
3 min read
How Circular tracks your Resting Heart Rate (RHR) and how to use it?
August 30, 2019
Prev
Next
14 / 16
News
2 min read
The Circular Ring 2 Kickstarter Campaign Is Live – A New Era for Personalized Health
March 14, 2025
News
2 min read
How to Use Your HSA or FSA to Purchase the Circular Ring
August 27, 2024
News
2 min read
Discover the New Coherence Breathing Circle in the Circular Ring
August 19, 2024
Expert
2 min read
NBA Star Clint Capela Joins the Circular Tribe
June 20, 2024
News
3 min read
Introducing the Medication Reminder Feature in Circular: A Leap Towards a Complete Wellness Ecosystem
February 29, 2024
News
3 min read
Stress Levels Tracking: Your Path to Inner Peace
October 18, 2023
Next
1 / 4
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
Previous
Next
2 / 7
Sleep
2 min read
Tips to increase your Deep sleep
March 16, 2020
Expert
3 min
Bio-hacking Best Practices from Coach Siim Land
February 25, 2020
Sleep
2 min read
Tips to increase your REM sleep
January 20, 2020
Sleep
4 min read
How to sleep better and fall asleep faster
January 12, 2020
Sleep
5 min read
Sleep better: external factors influencing sleep quality
January 1, 2020
Sleep
2 min read
How to adapt to naps
December 19, 2019
Previous
Next
4 / 7
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
Next
1 / 4
Get the latest articles
