### Clue: Couples found in bed, most regularly after sex (5)
### Answer: ITEMS 
 ### Explanation: Definition: Couples
 **2nd, 4th and 6th letters of**(… regularly) "bed, most" **placed after**(after) IT(slang for "sex").
Defn: … involved in a romantic or sexual relationship. Therefore the whole clue could be the definition.