Many of us experience tiredness, fatigue, and exhaustion on a semi-regular basis. Some of us get it all the time. September is a transitional month in many parts of the world, as swathes of the northern hemisphere prepare for cooler weather. The days get shorter and the temperature drops, and these changes can act as stressors on the body, adding to feelings of tiredness and demotivation. We wanted to get to the bottom of why people might be feeling like they’re chronically fatigued as summer fades into fall and, eventually, winter – we already found out why people crave certain foods when fal…