Lying flat allows gravity to worsen nasal congestion. Try sleeping with an extra pillow or propping the head of your mattress up slightly to help drain your sinuses.
Congestion in the first trimester—often called —is an incredibly common but frustrating symptom that affects nearly 30% of pregnant women. Here is a look at why it happens and how you can find some relief. Why Am I So Stuffy? congestion first trimester
