@spraylexmania Turn Off the Lights browser extension is an accessibility tool. A small video player is cozy to watch while the background is dimmed. Also, there is no bright white light shining on your face.
@fhj52 You obviously don't have a clue about browser development do you? The addon was legit refreshing closed tabs at some point. The only question is whether it was a feature or defect. Pro tip: only because you cannot see the tab doesn't mean it doesn't exist.