Wearing a luminous watch while you are sleeping can give a bad effect to your body.
As you know, a luminous watch’s hands and markers on the dial are filled with luminescent material, which is a mixture of Radium and ZnS. Radium rays can make ZnS crystals glow, when sleeping, if you are wearing a luminous watch, your body will suffer from Radium radiation for 8 to 9 hours.
So, before going to bed, you’d better take it off and put it on the table.
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