There are now definitive studies that sleeping with a blackout mask greatly improves sleep quality. I just got my spouse onboard with wearing one and she says

There are now definitive studies that sleeping with a blackout mask greatly improves sleep quality. I just got my spouse onboard with wearing one and she says it is night and day difference for her. I have to wear a cpap so I haven’t found an eyemask that works with my cpap headgear.