The time you spend in jail is time wasted, because you cannot do anything productive to defend yourself from the inside of a jail cell. As soon as you are able to do so, post bond and get out of jail. The police will have gathered whatever evidence they feel is compelling for your trial; you need to be free to start working on your defense.
Since New Hampshire’s laws assume that you automatically give consent to test for alcohol under the implied consent rule, if you are injured or incapacitated in any way and thus incapable of refusing to take an alcohol concentration test, you have not waived your permission to be tested.
Many of my clients have come to me because of a poor decision to drink and drive. The majority learn their lesson after the first offense, and leave more cautious and educated about the legal implications of drinking and driving. Unfortunately there are individuals who have serious conditions and endanger others.