There is more than one artist with this name: 1) bed are a Kyoto-based indie rock band.
Members from diary tree and scroll started Bed in June 2005. Those members are ジューシー山本 (Guitar & Vocal), 村山征希 (Bass), 山口将司 (Guitar & Vocal) and 長生治彦 (Drums). Their discography consists of the following releases so far:
"Turn It Off" (ICCL002, 2006/12/17)
"Response" (ICCL007, 2008/04/16)
"ON OFF" (3P3B-64, 2010/07/07)
"Still Dawn EP" (STSL-60, 2011/12/07)

Read more about Bed on Last.fm.