Well that knocks the cheaper "use the ones you've got" option on the head! It's good to know though and will help others who may stumble across the thread. Having looked through yellow lenses a...
The sleepiness continued and I went to bed 2 hours earlier than normal - I got tired of yawning so much. I could easily have gone even earlier.I really wasn't expecting such an obvious effect and...
Here's an early update. I put my amber sunglasses on around two hours ago (8pm) and have never yawned so often this early in the evening. So it seems there's a good chance that blocking blue light...
I don't see why it wouldn't work as long as it's bright enough. The magic number seems to be 10,000 lux so if you have access to a light meter you could measure the output and compare with "real"...
I have some amber lensed wraparound sunglasses so I can give them a go and see if I notice a difference. From a technical point of view I think as long as blue light is being diminished (perhaps in...