Well, with our quickly growing teen the normal for us is surging hormone highs multiple times a day. They usually occur in the late afternoon, and between 1-3 in the morning. Then every 10 days or so we get one of these. When we recognize them, we reduce the basal for 4 hours, but we still often get patterns like this that are hard to break out of. Just as a data point, at 10:00 pm my son ate 1 cup of ice cream with his friends after a band concert. Normally this would send us to 250. Other than more agressively reducing his basal when we see the pattern is there anything else we can do?