Related Clues:

• About to lose strength, daughter went to bed
• Forced to retire (esp a racehorse)
• Went to pit and changed to slicks, as told over the radio?
• Having ceased work
• About to become weary, daughter went to bed
• Went to bed, exhausted by Bible lessons perhaps
• Emeritus?
• Left job, but also went back?
• Career complete, ultimately knackered, went to bed
• Royal Engineers, worn out, stopped work
• Sap in scarlet went to bed
• On getting exhausted, turned in
• Working no more, well-earned