Before the 1800s, people had a "first" and "second sleep." They would sleep 3-4 hours, wake up for 2-3 hours to do some type of activity, then go back to sleep until morning.
WTF Fact #162
Before the 1800s, people had a "first" and "second sleep." They would sleep 3-4 hours, wake up for 2-3 hours to do some type of activity, then go back to sleep until morning.
