There are multiple artists recording under the name Sleepyhead.
These are photos from concerts where Sleepyhead played, so they may be of other bands that played the concert as well.
Lollapalooza 1993 Jul 18, 1993 Philadelphia, Pennsylvania, United States Uploaded by Zimtrim
Barkmarket / Sleepyhead / Antenna Nov 9, 1991 New York, New York, United States Uploaded by Matt Jh
