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Hi @alisarogers,
Welcome to the forums!
There isn't a way to continuously retrieve classic sleep data other than to wear a non-sleep stage enabled or non-heart rate device to sleep, such as the Inspire.
Alternatively, you can turn off your heart rate sensor before you sleep as sleep stages require HR data to compile a sleep stage.
I know this may not be ideal, but it's the only suggested workaround I can provide at this time.
I hope this helps!
Best Answer