That's how it works in Japan, and having lived there I don't think it's optimal. You get 4:30am to 7pm in summer, and 8am to 6:30am to 4:30pm in winter. For mo

That's how it works in Japan, and having lived there I don't think it's optimal. You get 4:30am to 7pm in summer, and 8am to 6:30am to 4:30pm in winter. For most people, noon is not in the middle of the day (when they're waked up).