Assertion: antihistamine's side effect | /r/HasProperty | sleepiness
Facets:
Source sentences:
text: These antihistamines have significant side effects termed “anticholinergic” side effects, which may include dry mouth, sleepiness, constipation, and urinary retention.﻿﻿
text: Common side effects include confusion and sleepiness.
text: Common side effects include sleepiness, constipation, weight gain, and dry mouth.