Songfacts®:

• A lot of song-worthy stuff happens on Sunday mornings. For instance, that's when Tony Kanal broke up with Gwen Stefani, inspiring the 1995 No Doubt song "Sunday Morning." For Maroon 5 lead singer Adam Levine, Sunday mornings were when he could spend some quality time sleeping in with his girlfriend, presumably Jane Herman, the woman he said was his "muse" for Maroon 5's debut album, Songs About Jane, which includes this song. According to Vogue, he and Jane dated from 1997-2001. Levine said he asked her permission to use her name on the album, but that was the last time he spoke with her.
  
  And by the way, years later, Adam Levine and Gwen Stefani were both judges on The Voice.
• Adam Levine wrote this song with Jesse Carmichael, who plays guitar and keyboards in the band.
• Adam Levine has let on that he drove Jane a little nuts. You can hear in this song how he can stir hearts with tender lines like:
  
  In darkness she is all I see
  Come and rest your bones with me
  
  But by his own admission, he wasn't the best boyfriend. "I sweet-talked her, made her fall in love with me, then I got frustrated with her and we parted ways," he told Gavin Edwards.
• "Sunday Morning" first appeared on Maroon 5's debut album, Songs About Jane, in June 2002, but it took about a year for radio stations to start playing their first single, "Harder To Breathe." That song became a hit at the end of 2003 and Maroon 5 followed it with "She Will Be Loved" and "This Love," which were big hits in 2004. "Sunday Morning" the fourth and final single from the album, and it wasn't a hit until February 2005, about 2 1/2 years after the album came out.
• The music video takes place at a Japanese karaoke bar, opening with patrons singing the Maroon 5 song "This Love." "Sunday Morning" then queues up in the machine, and we see the band in the studio performing it, intercut with footage from the karaoke joint. The band got the idea after touring in Japan and seeing their songs listed at a karaoke bar.
  
  The video might have something to do with it, but "Sunday Morning" did become a very popular karaoke song.
• The song appears in the 2003 movie Something's Gotta Give, starring Jack Nicholson and Diane Keaton. It also shows up in the films Cheaper by the Dozen 2 (2005) and Superintelligence (2020).