Things start to get fuzzy when sleep trackers claim to distinguish between the stages of sleep. A 2015 study favorably compared the Jawbone UP with polysomnography, for instance. Several studies have shown sleep trackers are fairly accurate when it comes to measuring your total wake time. The distinction in movement between sleep and wake is pretty clear.
Unfortunately, time and again, studies show that there is “a critical absence of supporting evidence for the advertised functions and benefits in the majority of the devices.” What does the science have to say? What the science says about sleep tracking When you wake up in the morning and move around, your accelerometer senses that and knows that you’re awake. If you stop moving, it’s likely you’re asleep. How are these devices able to share the information they claim? Sleep trackers use the accelerometer in your smartphone, smartwatch, or wearable device. Then, when you wake up in the morning, you take a look at the tracker to see what helpful information it has to reveal. If the sleep tracking is part of your personal fitness tracker, you simply keep wearing that device as normal when you go to bed. If you’re using a sleep tracking app, you let the phone sleep by you in bed. Some sleep trackers also offer listening capabilities, monitoring your sleep for sounds of snoring or sleep apnea, and some claim to tell you how much time you spent in various stages of sleep, light or deep. whether you woke up during the night at all). In their most basic form, sleep trackers tell you two things: how long you’ve slept and the quality of your sleep (i.e. You can find them as standalone sleep tracking smartphone apps, or as one of the features included in your fitness tracker or smartwatch. Sleep trackers help you track your sleep.
Ultimately, whether or not sleep tracking is bad for your health depends on how you use these devices. Is that true, or is it possible sleep tracking is actually bad for us? The marketing tells us sleep trackers help us monitor our sleep. From fitness trackers to smart speakers, the Internet of Things has permeated all aspects of our lives – including our sleep.
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