If it changes sides over time, and there is minor airflow through the slower side, then yes, that's apparently normal. If it doesn't change sides over time, or

If it changes sides over time, and there is minor airflow through the slower side, then yes, that's apparently normal. If it doesn't change sides over time, or if airflow remains completely blocked through the non-open side throughout every day, look into it further. (This is not a complete ENT diagnosis flowchart and is not a substitute for an ENT consultation, but has enough detail to survive the basic hypochondria issues of reading Internet medical articles.)