Today I saw something I’ve never seen before: a man breaking out into dance in the supermarket. One aisle over, I caught another shopper smiling and humming along. I don’t normally notice the music being played in shops, but I also felt more energised than I had moments earlier. Whether it be how long you spend in a shop, the amount you spend, even whether you buy French or German wine, music has power over our behaviour. And shops are using it to their advantage.
You’re probably aware that going to the supermarket when you’re hungry is a bad idea. Research published back in 1969 showed that people tend to buy more food if they hadn’t eaten recently and were hungry. But that’s not the only way hunger affects the choices we make.