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DiscussionFitness tracker sleep data - extremely low deep sleep.
Sleep Health | Last Active: Mar 1 3:01pm | Replies (42)Comment receiving replies
Replies to "Thanks @oldretiredguy (from another really old retired guy!), I thought I would share the link to..."
While not perhaps accurate and not medical grade, mine maps closely to when I have terrible nights and less bad nights. It also does pick up the effects of changes in environment and medications.
So while they are no substitute for a sleep study, they can be helpful. See:
https://www.hopkinsmedicine.org/health/wellness-and-prevention/do-sleep-trackers-really-work
I'm using mine to try med and environmental changes, but also provide some impetus for a sleep study.
But don't use them to replace a sleep study...