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

https://manuelfqxz531.cavandoragh.org/best-lounges-for-long-layovers-at-heathrow

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