Zzz

 is the fourth single by Sasaki Sayaka.

Tracklist

 * Zzz
 * 1) Gakko Gakko LIFE!! (ガッコーガッコーLIFE!!)
 * 2) Zzz (Acappella Version)
 * 3) Zzz (Bossa Nova Version)
 * 4) Zzz (Instrumental)
 * 5) Gakko Gakko LIFE!! (ガッコーガッコーLIFE!!) (Instrumental)