Inducing sleep (9)
I believe the answer is:
soporific
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">inducing sleep</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for soporific that I've seen before include "making one nod" , "Inducing mental lethargy" , "Sleep-inducing" , "Sedative" , "Inducing drowsiness or sleep" .)