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It depended on social class of these "people". Upper/and middle class people were woken up by their servants (if needed). Peasants had a habit to wake up with the Sun risesunrise. For factory workers, there was a siren (in the factory) which produced a very loud sound which could be heard far around. These factory sirens still existed (for example in Soviet Union) until the middle of 20th century.

It depended on social class of these "people". Upper/and middle class people were woken up by their servants (if needed). Peasants had a habit to wake up with the Sun rise. For factory workers, there was a siren (in the factory) which produced a very loud sound which could be heard far around. These factory sirens still existed (for example in Soviet Union) until the middle of 20th century.

It depended on social class of these "people". Upper/and middle class people were woken up by their servants (if needed). Peasants had a habit to wake up with the sunrise. For factory workers, there was a siren (in the factory) which produced a very loud sound which could be heard far around. These factory sirens still existed (for example in Soviet Union) until the middle of 20th century.

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source | link

It depended on social class of these "people". Upper/and middle class people were woken up by their servants (if needed). Peasants had a habit to wake up with the Sun rise. For factory workers, there was a siren (in the factory) which produced a very loud sound which could be heard far around. These factory sirens still existed (for example in Soviet Union) until the middle of 20th century.