OK, posted this on another thread, but I think it’s important and bears repeating.
Get your sleep. Sleep is the immune system’s time to go into overdrive.
This has even led to melatonin being considered as an adjuvant (booster, if you will) treatment for COVID-19.
And, in my personal N=2 sized study, teenagers are easier to deal with after they get lots and lots of sleep… way easier…