The process of a DUI arrest is exhausting. By the time you have been transported, booked, fingerprinted, photographed and pushed to give a breath sample, you will be pretty tired. Add to that that most DUI arrests take place at night, and you will probably just want to sleep for eight hours after you return home.
This is an excellent idea.
A little sleep will give you a fresh outlook, and let you look forward to the decisions you have to make in the days and weeks ahead. So snooze a little. You have at least ten days before you have to take any important legal action.
Here are a few articles on what kinds of things you should think about after you get a little shuteye.