Group 1 - The core viewpoint of the article emphasizes that wearable devices, while useful for daily health monitoring, should not be relied upon for disease diagnosis or treatment [1] - Wearable devices like sleep monitoring bands estimate sleep stages based on physical activity, blood oxygen levels, and heart rate, but lack the precision of professional medical equipment [1] - Misinterpretation of data from these devices can lead to unwarranted self-diagnosis of conditions such as "sleep disorders," which is considered hasty [1]