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While the popularity of wearable sleep trackers is at an all time high, research shows that they aren’t 100 percent accurate in terms of sleep stages, total sleep time, total wake time, and sleep efficiency.
However, sleep trackers can be helpful in paying attention to trends and patterns in your sleep data may point to underlying sleep issues, such as sleep apnea.
To get a better night’s sleep, it’s important to go to bed and wake up at a consistent time every day, work out during the day, and avoid caffeine and screen time before bed.