sleep trackers

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  1. Vince

    Does anyone use a sleep tracker?

    I wonder how good I actually sleep. I'm thinking of buying a tracker to measure my sleep. Any recommendations?
  2. Nelson Vergel

    Apps and fitness trackers that measure sleep: Are they useful?

    In general, sleep tracking devices are fair to good at detecting sleep but poor at determining wakefulness. They are inaccurate for determining absolute sleep parameters (ie, total sleep time, sleep efficiency, wake time after sleep onset, and sleep onset latency) and in distinguishing the...
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