Blue blocker glasses are designed to reduce blue light exposure, which can interfere with melatonin production and sleep quality. They are presented as a less effective alternative to turning off lights completely before bed.
put these glasses on at night. So, these are blue blockers. They're trying to eliminate blue, but I'm I'm still getting light in. And that's enough light to shut down melatonin production.
""Blue blocker glasses are mentioned as a tool to mitigate the negative effects of blue light on sleep, though they are acknowledged as being less effective than complete darkness."