And yet some of the population that live more than everybody else of the planet, e.g. the population of Icaria, eat whenever they like, and its very common to eat at late hours (after 10pm).

Then again they have a few other tricks up in their sleeves: they eat lots of quality plants grown in their island, they have minimal work related stress (or, for that matter, minimal work in general), leave close to calming nature (including sea), have good community ties, and are legendary for not giving a fuck...