AP English Language

Read the paragraph. What is the purpose of the concluding paragraph?

Each of these consequences-lacking the ability to concentrate, getting sick more easily, and not burning enough calories-may seem small on its own but, added together, the consequences of sleeplessness are not worth staying up late at night, even if it is to catch up on work, TV shows, or social media. No matter how busy people are, they should try to get at least 7 hours of sleep a night to stay mentally and physically healthy.