Ever been stuck in an airport? Most regular travelers know how bad that can be, while the departures board shows that dreaded warning ‘delayed.' How you long for convenient facilities and wonderful service at such a time.

Sleeping in Airports, a website that publishes airport reviews, has released the latest list of the best and worst airports in the world for sleeping and relaxation.

The results were based on a survey of four aspects: comfort, conveniences, cleanliness and customer service. A total of 26,297 qualifying responses were received.

Singapore's Changi International Airport is the best airport in the world for its luxurious layover indulgences, including a fish spa, a sauna, a butterfly garden, a koi pond and showers.

South Korea's Incheon International Airport and Japan's Haneda International Airport ranked second and third. The top 10 list was dominated by Asian airports.

Here are the details.

 Kloten International Airport

Kloten International Airport [File photo]

Location: Zurich, Switzerland

Facilities and services: Precise, efficient and tidy, low lighting and impeccably clean surroundings.