Sleepless Nights

There are more than one artist with this name:
1) Since the release of their debut album in 2004, The Sleepless Nights from Halifax, Nova Scotia have grown from a modest trio into a six-piece wall of sound that equally evokes Eric's Trip and ELO. With multiple songwriters and vocalists, The Sleepless Nights cover a lot of musical ground while maintaining a coherent sound of dense yet ambient indie-rock.
Official site: http://www.thesleeplessnights.com/
2) Hardcore punk from Stockholm, Sweden