On my fourth night with a smart watch to track my sleep I woke up with severe pain in my wrist and hand. I also got the covid booster 2 days ago (
![Samsung Galaxy Watch user claims wearable BURNED their wrist when left on while they were sleeping | Daily Mail Online Samsung Galaxy Watch user claims wearable BURNED their wrist when left on while they were sleeping | Daily Mail Online](https://i.dailymail.co.uk/1s/2022/09/20/21/62632497-0-image-a-13_1663707394758.jpg)
Samsung Galaxy Watch user claims wearable BURNED their wrist when left on while they were sleeping | Daily Mail Online
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Why do smart watches like FitBit and Apple Watch cause burns or skin irritation under the flashing sensors? - Quora
![Smartwatches and wearable fitness trackers could trigger heart attacks in vulnerable patients - Study Finds Smartwatches and wearable fitness trackers could trigger heart attacks in vulnerable patients - Study Finds](https://studyfinds.org/wp-content/uploads/2023/02/Person-wearing-an-Apple-Watch-scaled.jpg)