Sleep pods have been introduced at Yinchuan airport, Ningxia Hui Autonomous Region. (Photos: IC and VCG)

Sleep pods resembling space capsules are very popular with passengers and often hard to come by during peak travelling hours.

Each pod includes a 1.2-meter bed and is fully equipped with a TV, air conditioning and charging sockets.

Sleep pods resembling space capsules are very popular with passengers and often hard to come by during peak travelling hours.

The pods can be rented at an hourly rate of 15 yuan, a little more than 2 dollars.

Sleep pods resembling space capsules are very popular with passengers and often hard to come by during peak travelling hours.