Before Alarm Clocks, Some People Awoke With Help From A “Knocker-Up” (Cool Weird Awesome 1204)

It’s Sleep Awareness Week, so we’re talking about the part of sleep people usually like the least: the part where the alarm clock wakes us up. Or, in the time before alarm clocks, the part where the local "knocker-up" pounded on the doors to get people out of bed.