1. If you believe that feng shui items can help you improve your sleep quality, you can wear Gankun Circle when you sleep.
2. If you don't believe in feng shui items, or think that these items may have a negative impact on sleep, then you'd better not wear Gankun rings when sleeping.
Generally speaking, Gankun Circle is a traditional geomantic object, and its use depends on personal beliefs and feelings. It is suggested that you decide whether to wear Gankun Circle when sleeping according to your own beliefs and feelings.