Human: What are the advantages of a good mattress? Assistant: 
A good mattress can provide you with a comfortable sleep, as well as help reduce back and neck pain. It can also provide support for your body while sleeping, which helps to prevent any potential aches or pains. Additionally, a good mattress can help you get better restful sleep, improving your energy levels during the day. Finally, a good mattress can help improve air circulation around your body, helping keep you cool and comfortable while sleeping.