Can you use roost twice?

Excuse me, but I'm a bit confused by your question. Are you asking if the term "roost" can be used twice in the same sentence or context? If so, the answer is yes, it's certainly possible to use "roost" twice or even more times depending on the context and the message you're trying to convey. However, it's important to make sure that the repetition doesn't make the sentence sound awkward or redundant. Could you provide more context or clarify your question?