There are different artists using the name 'Sleepwalker':
These are photos from concerts where Sleepwalker played, so they may be of other bands that played the concert as well.
Within Destruction / Jonestown / Bound In Fear / Sleepwalker Feb 27, 2018 Southampton, England, United Kingdom Uploaded by Dan Delaney
He Is Legend / Sleepwalker / Georgianna Hawkins / American Standards / Your Young / Flying Scorpion / Eyes Set To Kill / Icebergs Nov 9, 2013 Mesa, Arizona, United States Uploaded by Trevor Ronde
Dual Farewell Show Jul 27, 2012 Mesa, Arizona, United States Uploaded by Trevor Ronde