Article: Look who's awake while you're asleep: many people go to work at night. Here are some jobs they do to care for you even while you're sleeping.

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Custodians

Custodians often stay at school long after you leave. They clean every classroom in the building. They empty the trash and clean the bathrooms. If something is broken, they might fix it. Sometimes custodians use a waxing machine to polish the floor until it shines. Custodians take care of the school at night so that it's clean for you the next day.

Police Officers

Police officers answer calls every night at the station. Others patrol the town on foot or in cars. Sometimes they shine lights around to make sure things are OK. They always wear a uniform, a badge, and a ...

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