Related Clues:

• Sleep lab letters
• X-ray dose unit
• 'Far out, man'
• Sleep-stage acronym
• 'Killer, dude!'
• Band with the 1989 hit 'Stand'
• Unit of radioactivity
• Band with the 2008 album "Accelerate"
• ''Neat-o!''
• Totally dope
• ''Terrific,'' in '80s slang
• Awesome, in surf talk
• Sleep cycle occurrence
• "Man on the Moon" band
• 'Shiny Happy People' group