No, you're not seeing things: Your Android device sometimes displays a small green dot in the status bar. Likely nestled next to your battery icon, it comes and goes, but never seems to stick around.
Pixel phones may soon get a “double tap to turn off screen” gesture in the Android 16 QPR1 update. A new toggle for this gesture is expected to appear in the Settings app under System > Gestures.
I've spent large portions of my life looking for ways to extend the battery life on my Android phones. Admittedly, that sounds rather dramatic, but growing up with only budget models meant I was ...