First recorded (as “The Last Thing I Needed (The First Thing This Morning)”) by Bill & Bonnie Hearne (1976).
Hit version by Willie Nelson (C&W #2/CAN #1 1982).
Also recorded by Lost Gonzo Band (1976), Gary P. Nunn (1984).
From the wiki: “‘Last Thing I Needed First Thing This Morning” was written by Gary P. Nunn (‘London Homesick Blues’ aka Austin City Limits theme song) and Donna Farar, and was first recorded in 1976 by then-Austin, TX, musicians Bill & Bonnie Hearne. Willie Nelson recorded the song in 1982 for his album Always On My Mind. ‘Last Thing I Needed …’ was released as the third single from the album, and peaked at #2 on the Billboard Hot Country Singles chart and #1 on the RPM Country Tracks chart in Canada.