Why are my data incomplete in the Circular App?

When you create your account, you enter into a 14-day calibration period where Kira, your personal assistant, will learn about you. During the first 4 days, you'll have limited data in your sleep and energy circles. Basically everything that needs references and baselines, which are derived from the long term average, is being built. Learn more about the calibration period.

Updated on: 11/03/2025