Relaxing drugs (9)
I believe the answer is:
sedatives
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">relaxing drugs</span>' is the definition.<br/ >'<span class="explanation-format__answer">sedatives</span>' can be an answer for '<span class="explanation-format__original">drugs</span>' <span class="explanation-format__explanation">(sedative is a kind of drug)</span>. I also know that 'relaxing' relates to this answer.<br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for sedatives that I've seen before include "Calming drugs" , "Narcotics" .)