Daylight

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

: Exposure to sunlight triggers the release of serotonin , which helps you feel calm, focused, and happy. daylight

: Morning light helps regulate your internal body clock, improving sleep quality and mood. : He calculated that if Parisians woke up

: Franklin woke up at 6 a.m. to find his room filled with light. He was shocked that the sun rose so early while Parisians were still asleep. which helps you feel calm