Time to get up!

A forgotten profession: In the days before alarm clocks 
were widely affordable, people like Mary Smith of Brenton Street, 
London were employed to rouse sleeping people in the early hours of 
the morning. They were commonly known as ‘knocker-ups’ or ‘knocker-uppers’. 
Mrs. Smith was paid sixpence a week to shoot dried peas at market 
workers’ windows in Limehouse Fields, London. Photograph from 
Philip Davies’ Lost London: 1870-1945

Mary Smith