There's a joke about Sudanese. They (whoever they are) said Sudanese are known for being the laziest Arabs and will do anything to avoid work. Here's an example.
A company that manufactures bed hired a Sudanese for their showroom. The job: to lie down in the bed and stay there all day. In the middle of the day the Sudanese started complaining, he said he wants to take a break because he is too tired from working.