• Gaywallet (they/it)@beehaw.orgM
    link
    fedilink
    arrow-up
    20
    ·
    edit-2
    1 year ago

    Blue light suppresses the release of endogenous melatonin. To get an idea of how much it suppresses, it, take a look at the image below. In this image participants were exposed to no light, or a 2 lux light at 460nm (blue line) or 560nm (green line) for 1.5h. source

    As for the mental stimulation part, that’s going to vary a lot more from person to person and how engaging the content is, but you’re right that being mentally stimulated in the wrong ways can keep you awake too.