Why do people need sleep?
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.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Why do people need sleep?
### Input: 
### Response: 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.