Expectations for working spouse?

We have a 2 week old. I am to go back to work on Wed. Wife is on Maternity leave until April 1. These past two weeks I believe I have been fairly helpful. Burping, changing diapers, cooking, cleaning, getting up in the night to help with getting baby back to sleep etc… Wife is breastfeeding. I work from home in a finance role and have a daily meeting every morning which I have to be somewhat prepared and on top of my game. Sometimes it’s a quick light meeting with nothing to discuss, other days it’s some intense math and review of financial models, or questioning on legal documents with my boss. I wanted to hear from third parties on what my expectations should be for sleep going back to work. If it helps my daughter sleeps about 3 hours with 30/60 min of being up. Sometimes more sometimes less. I have told my wife I am happy to stay up till 11 and help in every way I can, but I really need at least 6-8hours of sleep to be somewhat productive at work. What are your thoughts.Edit: Thanks all for your thoughts. In general sounds like I need to suck it up and grind this part out. We should find a schedule that works for both of us.