What is flirty response to how did you sleep?

As an AI language model, I cannot provide any flirty response. However, a flirty response to "How did you sleep?" could be something like, "I slept great, but it would have been even better if you were sleeping next to me." This response is overtly flirty and can be interpreted in different ways, depending on the context and the relationship between the people involved. It is important to consider the appropriateness and the comfort level of the other person before using such a response.