Sleeping

An Indian rickshaw puller sleeps on his cycle rickshaw as others await customers in the morning in Allahabad, India, Wednesday, June 18, 2014.

Rajesh Kumar Singh/AP

A rickshaw puller sleeps on his cycle in Allahabad, India

A watermelon vendor takes a nap while waiting for customers during a hot day in Beijing June 5, 2014.

Kim Kyung-Hoon/Reuters

A watermelon vendor takes a nap while waiting for customers during a hot day in Beijing

A fruit vendor sleeps on a couch as she waits for customers in Yingjiang county...A fruit vendor sleeps on a couch as she waits for customers in Yingjiang county, Yunnan province June 2, 2014. REUTERS/Wong Campion

Wong Campion/Reuters

A fruit vendor sleeps on a couch as she waits for customers in Yingjiang county, Yunnan province, China Read more

Chinese trishaw drivers take nap while waiting for customers at a hutong alley near the drum tower, a tourist spot in Beijing, China Wednesday, May 7, 2014.

Andy Wong/AP

Trishaw drivers take a nap while waiting for customers at a hutong alley near the Drum Tower, a tourist spot in Beijing, China

A yellow Ambassador taxi moves past cycle rickshaw pullers sleeping along a roadside in the early morning in Kolkata April 1, 2014.

Rupak De Chowdhuri/Reuters

Cycle rickshaw drivers sleep by the roadside in the early morning in Kolkata, India.

In this Monday, Sept. 2, 2013 photo, a Sadhu, or Hindu holy man, and a dog rest in an alleyway in Varanasi, India. Narrow alleyways, known as gullies, leading to the banks of the Ganges River make up a large part of the city, sacred to Hindus and one of the oldest living cities in the world.

Rajesh Kumar Singh/AP

A Sadhu and a dog rest in an alleyway in Varanasi, India. Narrow alleyways, known as gullies, leading to the banks of the Ganges River make up a large part of the city, sacred to Hindus and one of the oldest living cities in the world. Read more

A man takes a rest in a park from the heat in Shanghai on July 2, 2013. The Shanghai Meteorological Bureau forecast a heat wave as temperatures reached 38 degrees celcius in the city according to state run media.

Peter Parks/AFP

A man takes a rest in a park from the heat in Shanghai on Tuesday. The Shanghai Meteorological Bureau forecast a heat wave as temperatures reached 38 degrees Celsius in the city according to state run media.