Sleep Tight

Sleep Tight may refer to:

• Idiomatic expression for "sleep well".
• Sleep Tight, a novel by Matthew J. Costello.
• Sleep Tight, the 1958 winner of the Goodwood Handicap, a Group 1 Australian thoroughbred open handicap horse race
• "Sleep Tight", a song by Sarah Brightman from her 1997 Time To Say Goodbye single
• "Sleep Tight" (Angel), a 2002 episode of the television series Angel
• "Sofðu vært" (English "Sleep tight"), a song by Todmobile from their 1991 album Ópera
• "Sleep Tight", a song by Celine Dion from her 2004 Miracle album
• "Sleep Tight", a song by Private Line from the 2004 motion picture soundtrack Levottomat 3
• "Sleep Tight", a song by Dragon Ash from their 2006 single Few Lights Till Night
• "Sleep Tight", a song by Kill Hannah from their 2006 album Until There's Nothing Left of Us
• "Sleep Tight", a song by Big Bad Voodoo Daddy from their 1999 album This Beautiful Life
• Sleep Tight (film), a 2011 Spanish film