Home made chicken soup with either barley or egg noodles, leeks, carrots, sweetcorn and peas. If you are veggie/vegan, make green soup with all green veg you can imagine and vegan pesto with chilli flakes added.
Very hot bath and wash your hair. Don't know why but hair wash is essential. Dry hair, obv.
Wrap up in PJs, bedsocks, fleece dressing gown. Put spare PJs by bed in case of a night sweat.
Make hot water bottles and put in bed, at feet and chest height.
Take paracetamol and ibuprofen if actually feeling ill. If you have a blocked nose, use a facial steamer. If coughing, put menthol rub on chest, throat and soles of feet.
Take a hot lemon, honey, fresh or dried ginger, clove and tumeric hot toddy to bed. Add whisky if you want. Drink it and go to sleep early.
When you wake up, shower and a berocca or fizzy vitamin C, more painkillers and fresh coffee.