Daylight -

: He calculated that if Parisians woke up with the sun, they would save millions of pounds of candle wax.

: He jokingly proposed firing cannons at sunrise to wake people up and taxing window shutters. While he didn't suggest changing clocks, his "helpful" realization about using natural light to save resources planted the seed for DST. The Health & "Helpfulness" of Daylight daylight

: Many advocate for DST because extra evening light is linked to safer commutes and reduced crime. Tips for "Surviving" Daylight Saving Changes : He calculated that if Parisians woke up