Not in the the apllication, on your actual device if your on a chromebook(any chromebook with a latest update) should have night mode, if your on IOS, heres the information on night mode for that, its different from dark mode though; Night Shift is available on iPhone 5s or later, iPad Pro, iPad (5th generation and later), iPad Air or later, iPad mini 2 or later, and iPod touch (6th generation and later). Some display accessibility settings, including Invert Colors, Grayscale, and Increase Contrast, might turn off Night Shift or True Tone display.

I don't see night mode all I see is subscription export email and twitter

It doesn''t work on some devices, if you go to settings and it talks about preuim and subscription then it doesn''t work. But, on yor actual device not AM(Anime Maker) you can turn on night mode which makes your screen oranger to meet sensitive eyes.

You have to