Sleep-Prompting Chemical; an Anagram of None Aside

This page is the CodyCross answer for the clue below from House of Horrors, Group 1120, Puzzle 4 (Tarantulas).

Question is: Sleep-Prompting Chemical; an Anagram of None Aside

and the answer is: ADENOSINE

Word Meaning:

ADENOSINE — (biochemistry, genetics, organic chemistry) A nucleoside derived from adenine and ribose, found in striated muscle tissue.

Definitions from Wiktionary.