Yes. I was a full time children's librarian and did research and wrote during my generous vacation time. plus raised three children, got one into college and grad school, another into community college, and the third managed one year of college. Oh, and also cared for my mother-in-law who lived with us. And multiple cats and always at least one dog in the house.
Oh yes, and doing school visits as an author, plus one week of giving 3 programs a day about my books for the Summer Reading Program of the Chicago public library.
Plus attending grad school during my last years of working as a children's librarian and spending the evenings at grad school 2-week residency (in Vermont) on the computer keeping in touch with my own library branch's summer reading program.
(my family couldn't figure out why I was tired all the time.)