Nghỉ ngơi càng nhiều càng tốt. Giữ ấm cơ thể. Nghỉ ở nhà. Uống nhiều chất lỏng. Tìm sự giúp đỡ y tế nếu cần thiết.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
When you're sick, your body works hard to get you better. This drains all of your energy from your body, meaning you will be more tired than usual. This also means you need to rest more, since your body is working so hard. If you try doing more than you have to, you can make your flu last longer and make your symptoms worse. At least eight hours of sleep per night is ideal, but you will probably need even more when you're sick. Sleep in and take naps throughout the day. Take time off of work or