How to buy sleepless AI presale?

As a potential investor, I'm intrigued by the concept of Sleepless AI and its potential impact on the crypto market. Could you please elaborate on the process of purchasing Sleepless AI tokens during the presale phase? Specifically, what are the steps I need to take? Do I need to register on a specific platform or wallet? Are there any minimum investment requirements? Additionally, what are the benefits of participating in the presale compared to purchasing tokens after the official launch? It would be great to have a clear understanding of the entire process to make an informed decision.