HRV Tutorial – Setting Up What You Study

After you have your basic kit you can start taking readings and compare numbers. To save time and avoided taking readings that don’t compare well to other readings it is important to do a good job defining what you are looking to study. This helps keep what you are reading consistent and easier to implement.

Primarily you will be looking at the difference in your Heart Rate Variability (HRV) as you vary conditions in your environment. For example, if you decide to look at the effect of sleep on your HRV you will have to pick a time, conditions and length of time that you will measure your HRV.

For example, if you read your HRV each morning as part of your sleep study, you have to understand that reading HRV immediately after waking is different than 30 minutes after you wake up. Your SNS and PNS are in a different state during those two periods. Additionally, if you walk upstairs to retrieve you heart rate belt on one morning and you didn’t the day before, the two readings will not be comparable.

So it is best to define precisely what you are going to do when you take your readings. In your sleep study example write out “Two minutes after I wake up I take my reading with my heart rate belt reading to the app for 5 minutes as I lay on my bed.” Each morning that you meet those conditions include that reading in those you compare. If one condition is violated, unfortunately, you will have set those readings aside.

Find out more by reading about Measurement Times.

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