heron61: (Gadgets)
[personal profile] heron61
I got a Garmin viviosmart hp+ fitness tracker for Christmas, and last year, my partner [personal profile] teaotter got a Polar loop fitness tracker for Christmas. In addition to tracking steps, level of exercise, and for my own device, heartrate, both devices also track how you sleep. [personal profile] teaotter mentioned that her device divided sleep into restful and non-restful sleep and that she regularly got 6.5 hours of restful sleep a night. My device divides sleep into light and deep sleep and says that I regularly get 1.5-2 hours of deep sleep a night. This concerned me a bit, so I wore both devices for sleeping. My said I got 1.75 hours of deep sleep and 6.25 hours of light sleep, but [personal profile] teaotter's said I got a bit less than 2 hours of non-restful sleep and a bit more than 6 hours of restful sleep. I find that data quite reassuring from a health perspective, but rather less so from the perspective of finding such devices to be remotely accurate.

Date: 2017-01-04 11:16 pm (UTC)
arethinn: photo of a fox looking interested in something (curious interested (fox))
From: [personal profile] arethinn
I wonder what it considers to be the characteristics of "restful" sleep. I doubt it's a 1-1 correspondence with "deep".

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