How were people able to wake up on time for work/meetings before the alarm clock was invented, and did the different techniques/inventions differ from date-date or culture to culture?

by mroddish
Searocksandtrees

hi! there's always room for people to contribute more info on this - especially regarding your bakery example, but FYI there's a section in the FAQ* where you can get started with previous responses

Waking up without alarm clocks

*see the link on the sidebar or the wiki tab