Blue circles on sleep graph

What are the little blue circles with numbers in them, on my sleep graph?

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I have the same question and cannot find any answers in documentation or in this forum.

Why are these not mentioned in any documentation?

Hello @djpurity666 and @Kristen_Sarajlic, sorry for the late reply on this… These are usually breath rates or SPO2 levels detected through the Sonar, Sleep Phaser or Oximeter…

You can always check menu - Legend to see what is the meaning of various elements on the sleep graph…