Catnapping (6)
I believe the answer is:
dozing
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">catnapping</span>' is the definition.<br/ ><span class="explanation-format__explanation">(dozing is a kind of catnapping)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for dozing that I've seen before include "Napping" , "Lightly asleep" , "Sleepy" , "Nodding off" .)