I received the Denver Sleep+ glasses a little over a month ago, and I've noticed a significant increase in the quality of my sleep. I wear the glasses the evening after the sun has set while we're still up watching TV, reading, playing video games, etc. I take them off in bed after we've turned off the lights, and my sleep has been more sound with more dreaming and less grogginess in the morning when I wake. I want to get a pair for my husband with prescription lenses. My only issue is what to do when I wash my face at night since I have to take the glasses off to do that. I can't use the special light bulbs because I need bright light to do my makeup in the morning. I've been washing my face in a dark bathroom with some incandescent light filtering in from the bedroom, but it's not direct. I haven't noticed a difference in my sleep quality since I've been doing this, but it is a bit strange. Overall, I'm really happy with my Denver Sleep+ glasses.