Menthol and camphor.Rubbing some under your nose can help relief blocked/stuck nose.
Sleep with an extra pillow for proper drainage.Keeping your nose higher then your lungs will allow you to breathe better
Take a hot bath or shower steam acts as a great decongestant if you're feeling really stuffy. For your bath, toss in some peppermint tea bags for an extra soothing experience
Put a warm water bottle on your chest when you rest to help decongest your mucous in your lungs.It helps you to breathe better.