Stuffed up sinuses

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Anyone have some great remedies that has worked for them to combat the stuffed up sinuses that you get in pregnancy? I can still sleep pretty well, until about 3:30 or 4:30 in the morning. It's usually around then that I wake up, and my mouth is dry, and my nose is all stuffed up. Any suggestions would be appreciated! I am in my 23rd week of pregnancy.