Why do humans need sunshine?
It makes people feel warm. It also provides vitamin D to make people more energetic. Without enough sunshine, people can become depressed.
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 humans need sunshine?
### Input: 
### Response: It makes people feel warm. It also provides vitamin D to make people more energetic. Without enough sunshine, people can become depressed.