Related Clues:

• It will knock you out
• Soporific
• It'll knock you out
• Duller of the senses
• Sense dulling drug
• Cocaine, for one
• Sleep medication
• Pain reliever
• Codeine source
• Soporific substance
• YSL fragrance
• Morphine, e.g.
• Afghanistan crop
• Sense-dulling drug
• Dope in a den?