Close
Shop
Circular Ring 2
Circular Ring 2
Glasses
Glasses
Sleep Mask
Sleep Mask
Circular Charger
Circular Charger
USB-C Cable
USB-C Cable
SIzing Kit
SIzing Kit
About
Features
Features
Sleep
Sleep
Activity
Activiy
Heart Rate
Heart Rate
Company
Track your Package
Track your Package
Learn
Learn
HSA/FSA
HSA/FSA
Science
Science
Professionals
Professionals
Get access to Circular 2's lowest price
ever
Features
For Professionals
Shop
Shop
Your cart
×
Your cart is empty
Continue Shopping
0
Your cart
×
Your cart is empty
Continue Shopping
0
Features
For Professionals
Shop
Shop
Your cart
×
Your cart is empty
Continue Shopping
0
Welcome to our resources page
Find updated material to make the most out of Circular
Search
Latest
7 min read
5 Best Sleep Tracking Devices of 2026: Which One is Worth Your Money?
March 11, 2026
6 min read
Circular Ring 2 vs RingConn Gen 2: Which Smart Ring Is Better?
March 6, 2026
7 min read
5 Best Sleep Tracking Devices of 2026: Which One is Worth Your Money?
March 11, 2026
By Category
All
Popular
Activity
Sleep
Product updates
7 min read
5 Best Sleep Tracking Devices of 2026: Which One is Worth Your Money?
March 11, 2026
6 min read
Circular Ring 2 vs RingConn Gen 2: Which Smart Ring Is Better?
March 6, 2026
10 min read
6 Best Ways to Track Your Menstrual Cycle (With Pros and Cons)
February 23, 2026
6 min read
4 Best Health Trackers to Wear with a Classic Watch
February 18, 2026
12 min read
21 Gifts for Your Wife: Best Options for Every Type of Woman
February 6, 2026
10 min read
How to Recover From Burnout: 10 Proven Strategies to Feel Like Yourself Again
February 3, 2026
Next
1 / 19
Sleep
8 min read
Calculate Sleep to Know the Best Time to Go to Sleep
July 27, 2022
Activity
10 minutes read
Average Resting Heart Rate by Age: All You Need to Know
July 27, 2022
Expert
10 min read
Blood Oxygen: What is a Normal Level
July 15, 2022
Sleep
2 min read
Silent Alarm Clock by Circular® : The perfect smart & silent alarm clock
May 25, 2022
Activity
5 min read
The Power of Wellbeing Tracking: Your Guide to a Better Lifestyle
January 6, 2022
Sleep
2 min read
Tips to increase your Deep sleep
March 16, 2020
Previous
Next
3 / 4
News
3 min read
Stress Levels Tracking: Your Path to Inner Peace
October 18, 2023
News
3 min read
Introducing Kira+: The Most Sophisticated Personalized Wellness AI Powered by Circular
July 20, 2023
Expert
5 min read
Leaderboard Winner Interview (Audrey C.) - October 2022
December 13, 2022
Activity
1 min read
How Circular tracks your Active minutes, Cardio points, Activity Volume, and Recovery
November 25, 2022
Activity
1 min read
Circular’s calories burned
November 25, 2022
Activity
1 min read
Circular’s walking equivalency & steps counter
November 25, 2022
Next
1 / 7
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
Previous
7 / 7
3 min read
Circular Ring 2 Release Notes (Sep 2025): Dedicated Sync Architecture, Faster Data Transfer & Sleep Tracking Improvements
September 30, 2025
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
Next
1 / 4
Get the latest articles
.png)
.svg){kind=small}
.svg)
.svg){kind=small}