Samsung Health - Sleep as Android

Documentation
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Allows you to sync data between Sleep as Android and Google Fit.*

Automatically export your sleep duration, sleep times, and heart rate to Samsung Health.

This is a companion discussion topic for the original entry at https://sleep.urbandroid.org/docs/services/s_health.html
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Hi,
I want to use Sleep as Android only to import sleep data from Samsung Health and visualize it better on PC (by using SleepCloud extension).
I don’t want to use sleep tracking in Sleep as Android at all.
I enabled Samsung Health integration, gave all read permission a clicked “Sync now”.
But nothing happens. I don’t see any sleep records imported. I have 1 year sleep history in Samsung Health.

Is this possible? How to do it?

UPDATE: it finally worked, I think I needed to create one fake sleep record, and then it imported all records from Samsung Health. Also - I’m not sure - but probably giving the app ALL permissions (including write) to Samsung Health may helped. Which is sub-optimal, because I don’t want Sleep for Android to write anything to Samsung Health.