The government often steps in to institute local noise ordinances. Businesses can run very early or late in the day, paying their employees to generate more product, but this schedule impacts the people living in the area. With the exception of people working graveyard shifts, many people will have interrupted sleep because of the noise level, negatively affecting their health and ability to be productive during the day. To reduce or eliminate this cost, the noise ordinances are implemented. While this is meant to negate the externality, it does not always work, as there is minimal enforcement