12/29/2023 0 Comments Sleep tracker fitbitWhen getting 5 hours or less of sleep a night, users get a smaller percentage of deep sleep, which occurs near the beginning of the night.Waking up earlier than usual can impact the percentage of REM sleep you get, which occurs more at the end of the night.Sleeping less than 7 hours will lead to deep and REM stages being a smaller proportion of your overall sleep. While sleeping longer will lead to getting more deep and REM sleep, sleeping 7-8 hours gives you the highest combined percentage of time in these stages.It recently conducted an analysis of millions of nights of anonymized and aggregated Fitbit sleep stages data that supports theories that sleeping more than 7 hours a night is best for your health.įitbit analysis uncovered these correlations and observations: Sleep Stages, now available with Alta HR, Blaze, and Charge 2, uses heart rate variability to estimate the amount of time spent in light, deep, and REM sleep, as well as time awake each night to help better recognize sleep quality.įitbit has tracked more than 4 billion nights of sleep tracked since 2010. In April 2017, Fitbit introduced new sleep features to provide people with a greater understanding of their sleep habits. “The ability to easily track your sleep not only helps individuals better understand their own sleep, it also unlocks significant potential for us to better understand population health and gain new insights into the mysteries of sleep and its connection to a variety of health conditions.” “With our sleep tracking tools, Fitbit has transformed what people can learn about their sleep habits by taking the ability to track sleep stages out of a lab and putting it on the wrist,” says Heneghan in a release. Having the ability to gather reliable sleep stage data on wrist-worn devices can help simplify sleep research and increase public knowledge about sleep.Ĭonor Heneghan, PhD, lead sleep research scientist at Fitbit, presented the findings of the study, “ Estimation of Sleep Stages Using Cardiac and Accelerometer Data from a Wrist-Worn Device,” at SLEEP 2017. The results of Fitbit’s study, which were scored independently by polysomnography technologists, demonstrate that these devices can be used to track sleep stages with a reasonable degree of accuracy in normal adult sleepers, according to Fitbit. ![]() Fitbit has validated the ability of wrist-worn trackers that incorporate movement and cardiac sensors, like Fitbit Alta HR, Fitbit Blaze, and Fitbit Charge 2, to accurately determine light, deep, and REM sleep stages.
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