The girl said I want to sleep with you?

If a girl says "I want to sleep with you", it may mean that she has a good impression on you and wants to establish a closer relationship with you. However, it may just be her joke or she wants to test your reaction and boundaries.

If you have a good impression on this girl, and you have established enough trust and understanding between you, then you can consider accepting her invitation. However, in any case, you have the right to refuse any behavior you don't want to accept.

If you are unfamiliar or uncertain about this girl, I suggest that you establish a deeper understanding and trust with her first, and then consider whether to accept her invitation. Most importantly, you should respect your own decisions and feelings, and don't make any uncomfortable decisions because of other people's expectations.