Air New Zealand’s world first will be music to the ears of passengers hoping to get some shut-eye on a long-haul flight when traveling in coach class. The airline plans to install bunk-bed-style sleeping pods in its economy class cabins, starting in 2024. Some might try raising the headrest. Others might roll up their sweater and stuff it behind their head, all the while regretting not having bought a travel pillow at duty-free like the person in the next seat. So you shuffle, you change position, over and over again hoping that sleep eventually comes… Sleeping in economy class is an ordeal …