If your flight departs late, Heathrow lounges remain a comfortable refuge, with evening snacks, dimmed lighting

https://telegra.ph/Heathrow-Lounge-Etiquette-Dos-and-Donts-for-a-Better-Stay-07-23

If your flight departs late, Heathrow lounges remain a comfortable refuge, with evening snacks, dimmed lighting, and quieter crowds as the night progresses.