Would one make an exemplary sleeper? (3)
I believe the answer is:
log
'sleeper?' is the definition.
The answer and definition can be both man-made objects as well as being singular nouns.
Maybe you can see a link between them that I don't see?
I don't understand the remainder of the clue.
Can you help me to learn more?
(Other definitions for log that I've seen before include "number in mathematical table" , "Piece of wood for the fire" , "Bulky piece of wood" , "Register" , "Official record; cut part of tree trunk" .)