system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
Why do people need sleep?


assistant
Sleep is necessary for your overall health and well-being.  Sleep is even so important not enough sleep can actually kill you.  Sleep enables the body engage in processes that help rejuvenate the body through better mental and physical performance.  A good night of rest will give you higher energy levels, better mood, clearer thinking and concentration.