Нужно составить 3 предложения со словами flu, couldn't sleep, headache! ! заранее

I have a flu that`s why I have a headache.I  couldn`t go to school.I should sleep a lot.

1) Last night, I forgot to wear my coat, that's why I got a flu 2) I couldn't sleep that night and now I feel terrible 3) Please, leave me alone, I have a headache today