Sleep too much

My husband is a commercial roofer and for the last two weeks he has been out of town M-F but he comes home on the weekends so we don’t see eachother much. He is upset because when he is here I️ take a couple naps during the day and I️ waste the time we have together. We just found out I️ am 6 weeks pregnant and I️ get EXHAUSTED but I️ don’t know what to do. Does anyone have any tips on how to stay up and not give into pregnancy naps?