If you're using it as light at night, so I would say the best thing to do is not to have any light at night. There's less melatonin secreted during the night and there is more sleep inertia the next morning. So wearing blue blocker glasses or using a red light like you just talked about could be helpful.
Dr. Roger Seheult is an Associate Clinical Professor at the University of California Riverside School of Medicine and an Assistant Clinical Professor at the School of Medicine and Allied Health at Loma Linda University. He is a practicing critical care physician, pulmonologist, and sleep physician at Beaver Medical Group, and a co-founder of MedCram, one of the fastest-growing online medical education companies. Full show notes: https://maxlugavere.com/podcast/223