Dozing (6)
I believe the answer is:
asleep
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">dozing</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for asleep that I've seen before include "In the Land of Nod" , "Please be at rest (6)." , "Knitting up the ravelled sleeve of care" , "out like a light?" , "Like kippers" .)