I'm not sure the sunglasses approach makes sense, unless you live near the equator. For me, I try to get as much sun light exposure into my eyes during the day

I'm not sure the sunglasses approach makes sense, unless you live near the equator. For me, I try to get as much sun light exposure into my eyes during the day (especially in the morning), to help set my circadian clock. I will sometimes use sunglasses at night towards bedtime.