Let me be clear: I have no problem whatsoever sleeping on a plane. For me, the whirring and buzzing that fills the fuselage is tantamount to a chloroform rag. However, the sleep is far from enjoyable.

Being forced to sit for hours on a plane with no movement can often lead to a stiff neck and back. But a holidaymaker has shared their DIY invention for avoiding this pain while flying, saving money ...