Sleeping

A Pakistani youth, who was Internally Displaced from Pakistan's tribal areas, sleeps on a bed to escape the heat trapped in his mud home, near a wholesale fruit and vegetable market where he works, on the outskirts of Islamabad, Pakistan, early Monday, Sept. 22, 2014.

Muhammed Muheisen/AP

An youth displaced from Pakistan’s tribal areas sleeps outdoors near the wholesale fruit and vegetable market where he works on the outskirts of Islamabad, Pakistan, to escape the heat in his mud hut

A woman sleeps in front of a painting decorating a subway station in Buenos Aires, Argentina, Wednesday, Sept. 17, 2014.

Natacha Pisarenko/AP

A woman sleeps in front of a painting decorating a subway station in Buenos Aires, Argentina

A Syrian woman sits next to her children sleeping on the street in Hamra Street in the Lebanese capital, Beirut, on August 29, 2014. The number of refugees from the conflict in Syria now tops three million, the UN said, as US President Barack Obama admitted he has no strategy to tackle advancing jihadists.

Anwar Amro/AFP

A Syrian woman sits next to her children sleeping on the street in Hamra Street in the Lebanese capital, Beirut

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 

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. 

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.