Having cold could be really annoying especially when you have runny and stuffy nose. Like you cannot satisfy with coughing and sneezing; pain all over the body; sore throat.
But whatsoever, the stuffy nose I think is the biggest problem. You are feeling clogged, can not breathe properly, you get rest, I order to make soon better. And
U desperately need sleep ad rest.
You are familiar with the common solution:
Blow your nose over and over
Take some medicine
Use a nose spray
Turn on the humidifier
Take a hot shower
Drink lots of liquids
Neti pot (draining your sinuses)
Here is a video with compilation of simple, noteworthy maybe a little weird but still efficient.
Try some of them when you will feel the need.