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A comment on Deep Sleep May Be the Best Defense Against Alzheimer’s. Parent comment
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8120339/
Most devices (Fatigue Science Readiband, Fitbit Alta HR, EarlySense Live, ResMed S+, SleepScore Max) performed as well as or better than actigraphy on sleep/wake performance measures, while the Garmin devices performed worse.
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https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8120339/
Most devices (Fatigue Science Readiband, Fitbit Alta HR, EarlySense Live, ResMed S+, SleepScore Max) performed as well as or better than actigraphy on sleep/wake performance measures, while the Garmin devices performed worse.