How do you Unstake an Oasis Rose?

Could you elaborate on the process of unstaking Oasis Rose? As a crypto enthusiast, I'm curious about the specific steps involved. I understand staking is a way to earn rewards by locking up coins or tokens, but how does one reverse this process and unstake Oasis Rose? Is there a specific timeline I should be aware of? Are there any fees associated with unstaking? Additionally, what happens to the rewards I've accumulated during the staking period? I'd appreciate a concise yet comprehensive explanation of the unstaking process for Oasis Rose.