No cure so you gotta rest. Nose is stuffed so you gotta mouth breathe. Throat is dry from mouth breathing. Dry throat makes it painful to swallow. Pain keeps you from sleeping and recovering. Lack of sleep leads to worse symptoms like piercing headaches. Need to rest to get rid of the headaches. Headache and swallowing is too painful to rest properly. Lack of rest perpetuates headaches, nose congestion, dry throat, painful swallowing.
What is this BS
I do the same. Whenever I’m ill, I eat a lot of canned fish (no cooking required, and it’s not nice cooking in a horrible headache).
I tend to get well very soon even if the illness has felt very bad. And sometimes when I don’t do the same, for whatever reason, I remain ill much longer.