Why is it called Morning sickness? What do you call the rest of the day's vomiting? Is pregnancy sickness just in the AM?
https://bjgp.org/content/70/697/e534
https://health.clevelandclinic.org/morning-sickness-at-night/
https://www.news-medical.net/health/Does-Morning-Sickness-Occur-at-Other-Times-of-Day.aspx
