Knocker-uppers
While today we have gentle wind chimes or the jarring tones of an iPhone alarm to rouse us, workers in industrial Britain had a different alarm clock — the knocker-upper. Knocker-uppers slept during the day, allowing them to get the early start needed to rouse tired factory workers in time for them to report for duty. The career had its hiccups — knocker-uppers needed to be able to wake just their customers and not the whole street block. They used long rods to tap on their customers' windows, as well as other inventive options like pea shooters, hammers, and rattles. Knocker-uppers were employed in urban and rural areas until well into the 1970s, and are even referenced in Charles Dickens' work.