In the event you want your sleep analyzed, medical doctors will often order a polysomnography, which analyzes an individual’s oxygen degree, coronary heart fee, respiration, eye motion, and leg motion whereas concurrently working an electroencephalogram (EEG).
An EEG reveals your brainwaves by means of totally different levels and cycles of sleep. A wearable smartwatch or health tracker in your wrist, nevertheless, is way out of your mind.
The most well-liked wearables by Fitbit, Apple, Garmin, and Samsung acquire a mixture of the next measurements: coronary heart fee and coronary heart fee variability (HRV), motion, breaths per minute, and pores and skin temperature. Gadgets that observe sleep cycles use an algorithm to hypothesize your sleep cycles primarily based on the information.
A 2017 research in contrast a polysomnography with the efficiency of a Fitbit Cost 2 in 35 adults. Researchers discovered the Fitbit machine detected sleep onset with 96% accuracy however overshot time spent asleep by 9 minutes on common. Within the research, the Fitbit detected gentle sleep with 81% accuracy, deep sleep with solely 49% accuracy, and REM sleep with 74% accuracy.
A newer research printed in April of 2022 in contrast the efficiency of Fitbit Alta HR to outcomes of an EEG carried out concurrently on 40 faculty athletes whereas sleeping. This research discovered FItBit information to satisfactorily observe sleep onset, time spent asleep, and sleep cycles. Fitbit could be a great tool for athletes’ sleep administration.
Whereas not 100% correct, the Fitbit information had a robust correlation with polysomnography information.