Before the light bulb was invented, before we had alarm clocks to wake us up for work, we slept normally. Like most ordinary creatures did. We slept when the sun went down and woke up when the sun rose up. This
Before the light bulb was invented, before we had alarm clocks to wake us up for work, we slept normally. Like most ordinary creatures did. We slept when the sun went down and woke up when the sun rose up. This