Clue: After 40 winks, beg May not to start plan to repel doctors (2,5,1,3)
Answer: AN APPLE A DAY
Explanation: After 40 winks, beg May not to start plan to repel doctors (2,5,1,3)
[after] **A NAP** ("40 winks") **PLEAD** ("beg") (m)**AY** [not to start]