Is it normal to sleep with glasses on?
Mostly.Normal for most people
Yes, it happens—especially if you doze off while reading or watching something. It’s usually harmless, but taking your glasses off before bed helps prevent them from getting bent or pressing uncomfortably against your face.
Yes—lots of people accidentally fall asleep with their glasses on, and some do it now and then without thinking. It’s not usually a health concern.
The main downside is that you can bend or break the frames, or wake up with them digging into your face. If you can, take them off before settling in; if you wake up wearing them, no need to worry—just check that they’re still in good shape.