1. Sleep Number
  2. Sleep Number® app
  3. Using the Sleep Number® app

Sleep Number® app: Missing Heart Rate

Overview

Heart, heart rate variability, and breath rate recorded by Sleep Number app are averaged and are not recorded in real-time for diagnostic purposes. Averages help you track consistency and recognize changes. Keep in mind, average heart rate, and breath rate can be impacted by cardiovascular conditioning, daily stress, alcohol use, age, weight, and overall health. For example, runners tend to have a lower resting heart rate than other people their age. Have a talk with your physician if you are concerned about changes in your biosignals or why your biosignals are different than your sleep partner.

Note: If the heart rate cannot be detected, it will not affect the SleepIQ® Score. The Sleep Number pump should not be relied on as a medical grade heart rate monitor.

 

How come my Heart Rate doesn't show up?

Sometimes the Sleep Number app is not able to record enough heart rate data throughout the night calculate an average heart rate for an entire sleep session. Possible causes for this are:

You are a Side Sleeper

When you sleep on your side, your profile is smaller, and the smart bed may not be able to pick up your heart rate. Additionally, there are no major veins/arteries along the outside of the arm which may prevent the smart bed from being able to pick up your heart rate.

High Sleep Number Setting
The higher your Sleep Number® setting, the less of a change your heart rate will make in the pressure of the bed.
Low Weight of Sleeper
A Sleeper with low weight will cause less of a change in the pressure reading of a bed (especially when combined with a high Sleep Number® setting).
Center/Edge Sleepers
If you sleep on the edge or center of the bed (dual chamber beds only), you are not laying fully on the chamber. This can lead to the smart bed not registering your heart rate throughout the night.
Animals Sleeping on the Bed
Large animals may be heavy enough to start to impact the pressure readings, and their heartbeat may confuse the bed. While animals tend to have different enough heart rates for the bed to accurately ignore, in some cases it can muddle the data enough for the system to throw out the heart rate data.
Two Sleepers on One Side
If there are two people sleeping on a single air chamber, the bed will not be able to tell the two heart rates apart. A heart rate might still show up if the time spent on one air chamber doesn’t last for most of the night, but if the system can’t determine the average heart rate for enough of the night, it won’t provide an average.
CPAP
If you use a CPAP machine, it may cause enough vibration to obscure your heart rate reading.
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