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Rethinking Sleep Trackers: Uncovering the Hidden Drawbacks

In a world where health and wellness are paramount, sleep trackers have become the new fascination. However, beneath the allure of these high-tech devices, several disadvantages have surfaced, challenging their efficacy and impact on mental health.

Disadvantage 1: Questionable Accuracy

While sleep trackers like the Oura Ring, Fitbit, and Apple Watch boast advanced technology to monitor sleep patterns, experts warn about their limitations. Devices using photoplethysmography (PPG) to measure heart rate and motion can be less accurate in individuals with obesity, heart rhythm disorders, or darker skin tones. Moreover, sleep stages such as REM and deep sleep, crucial for assessing sleep quality, are often inferred rather than accurately measured, as they require brain activity monitoring which these devices can't provide.

Disadvantage 2: Potential Anxiety Acceleration

For individuals already anxious about their sleep quality, sleep trackers might exacerbate the issue. Constant monitoring and feedback about poor sleep can increase stress and focus on sleep, leading to a counterproductive cycle. This phenomenon, backed by real-world research, suggests that sleep trackers could be doing more harm than good for those struggling with sleep-related anxiety.

Disadvantage 3: Lack of Live Data

Another limitation is the lack of live data. Most sleep trackers offer insights after the fact, not providing real-time feedback that could be used for immediate adjustments in sleep habits or environment. This delay hinders the ability to make proactive changes that could enhance sleep quality in the moment.

Oxa: A Solution with Live Data

Contrasting these limitations, devices like Oxa stand out with their real-time biofeedback capabilities. Oxa measures heart and breathing rates, HRV (Heart Rate Variability), sleep positions and calmness levels, offering live insights into how your body responds to different sleep environments or routines. This immediate feedback enables users to adjust their habits or settings for better sleep quality on the spot.


While modern sleep trackers offer some insights into sleep patterns, their shortcomings highlight the need for more sophisticated solutions. Breathing coaches, like Oxa, providing real-time data and biofeedback, pave the way for a more effective and personalized approach to sleep monitoring and improvement. As we continue to explore the mysteries of sleep and its impact on health, embracing technology that offers live, actionable data can be a game-changer for achieving better sleep and overall well-being.

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Get the Oxa Sensor and your choice of garment - lounge-wear shirt, bra, or band. Your purchase includes access to the Oxa app which gives personalized data summaries and insights, as well as access to breathing exercises to teach you how to harness the power of your own breath.

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Oxa is not a medical device and is not intended to diagnose or monitor any disease or medical condition.