Related Clues:

• Polonium discoverer
• 'Cool, man!'
• ''Far out!''
• "Awesome!" '80s style
• "Losing My Religion" band
• "Shiny Happy People" singers
• ''Way cool!''
• ''Neato!''
• 'Way cool!'
• Radium discoverer
• 'Way out!'
• Sleep clinic study
• Far out
• Deep sleep state
• Dreaming phenomenon