I walk a lot. On average, 8 km (5 miles) a day for some two years by now (previously, I didn't have a Garmin watch to count the steps). IDK if it makes me more

I walk a lot. On average, 8 km (5 miles) a day for some two years by now (previously, I didn't have a Garmin watch to count the steps). IDK if it makes me more productive. Maybe. I certainly came upon some solutions (for programming) or clever formulations (for blog/newspaper articles) while walking. But there is an important exception: hot days. Walking on hot days fries my brain.