I asked for a beer but got a Heineken instead .I was surprised to see some people taking a winterjacket but shortly after I realised why : it was verrrrrrry cold inside the plane.4 hours later lights were switched on during sunrise , flying in Sudanese airspace . A breakfast was offered ( together with coffee / tea ) . Again , portions were not generous .
According to the above context, answer the following question.
Why does the narrator feel so cramped ?


They are flying .