Each unique track is placed at its first release year.
EP LP CDS CD
1999
2000
2004
| Track | Label | Media | Year | |
|---|---|---|---|---|
| Sleeper — Flatliner | Yellow Sunshine Explosion Recordings | CD | 2004 | |
| Sleeper — Severe Clear | Flying Rhino Records | CD | 1999 | |
| Sleeper — Turquoise | YoYo Records | CD | 2000 | |
| Sleeper — Turquoise | YoYo Records | CD | 2000 |