You know what is my greatest fear?  Being stuck in a desert on a hot sunny day!
You are right, living conditions are really hostile in a desert. It would be dangerous. 
I don't know how people who live in deserts do it.  It's hot, there's a constant fear of dust storms and lack of water.
Yeah, it is also dangerous when it rains because it can create flash floods. 
Have you seen the situation where people sleep in camels when there are flash floods or sand storms?
I have never heard of people sleeping in camels, in Somalia flash occurs annually and cause causalties.
I've seen it a few times on TV.  It looks terribly uncomfortable.
Yeah, I must be,  there were camels in Americas, they became instinct when people came. 
I always wonder why camels can survive such long hours in the desert and don't seem to suffer from the heat.
Australian feral camel
Australian feral camels are feral populations consisting of two species of camel: mostly dromedaries ("Camelus dromedarius") but also some Bactrian camels ("Camelus bactrianus"). Imported into Australia from British India and Afghanistan during the 19th century for transport and construction during the colonisation of the central and western parts of Australia, many were released into the wild after motorised transport replaced the use of camels in the early 20th century, resulting in a fast-growing feral population.
By 2008, it was
the morning of 3 November Allenby ordered the XX and the Desert Mounted Corps to prepare for an attack to be launched against the Ottoman defences on 4 November when Sheria and Nejil would be the objectives. He reported to the War Office: "To–day has been a day of dust and haze, driven by a strong and hot south wind; and reconnaissance has been difficult. I don't really know what the Turks are doing on either flank; but they appear to be moving troops about, freely, in the