Bedtime garment (7)
I believe the answer is:
nightie
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">bedtime garment</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for nightie that I've seen before include "Familiar bed-wear for woman" , "Loose garment" , "Sleeping attire" , "Female article of clothing" , "Sleeping garment" .)