Flights can be exhausting, and having to constantly be on the go can take its toll on you. Napping is essential to function normally on a daily basis. As you can see here, this fellow does not care where he is, as long as he is getting his shuteye. Even if that means taking a much needed nap on the space in the plane’s engine. At least there will be no disturbance, not at least till the engine turns on!