Can I unstake stETH?

Could you please explain what "unstaking stETH" means? I'm curious to know if it's a possibility and what the process involves. Also, are there any conditions or restrictions that I should be aware of before attempting to do so? Additionally, what are the potential risks or benefits associated with unstaking stETH? Could you elaborate on these points in detail? I'm interested in understanding the ins and outs of this process before making a decision. Thank you for your help!