English Translation
I’ll sleep on it.
I will think hard about it.
I’ll sleep on it.
I will think hard about it.
I’ll sleep on it.
@mike-lima
Agreed.
I’ll sleep on it. = もう少し考えてみます。(i.e. It is not the right time to jump to the conclusion. We may have a second thought.)
よく考えておきます。= “I’ll think harder about it.” or “I’ll make sure the plan will be further strategized.” (i.e. Unlike the first case, the outline of the idea is good. We just need more details to execute.)