While doing research for our next collab, PGF and I came across a very interesting item in a history timeline for the year 1896. So yes, while this is highly improbable it is not impossible - and besides, PGF challenged me to do it and so I did. Read at your own risk.
"You would choose the coldest night of the winter to lay a trap for a killer, Mr. Holmes," Lestrade groused, shifting his weight on the floor.
"Genius I may be, Inspector, but not even I can predict the weather and its quirks," the detective drawled, apparently not feeling the cold in the least. His eyes never left their position; namely, boring holes in the frosty pane before him.
The frozen silence was shattered by a sudden crinkling, followed by a steady chewing.
"Watson. What the blazes are you doing."
"Trying to shtay awake," the Doctor declared, though the words were barely intelligible.
"Are you eating something?"
"I should think even my deductive powers could tell that, Mr. Holmes," Lestrade interjected, smirking.
More chomping filled the silence, and the detective glared over his shoulder. "What on earth is that?"
"Candy. Was in that Christmas box Lachlan and Haight sent us – or did you even read the card?" Watson asked knowingly.
"I have no time for trifles."
"You'll hear no complaints from me," the Doctor replied cheerfully, unwrapping another candy and popping it in his mouth.
"What is it?" Lestrade whispered.
Watson swallowed. "Some sort of chocolate, with the consistency of toffee. Here, have a Tootsie Roll, Lestrade."
Sherlock Holmes suddenly wondered just how painful concussing himself against the wall could possibly be.