What is a common physical sign associated with narcotic use reflected by heavy eyelids?

The common physical sign associated with narcotic use that is reflected by heavy eyelids is droopy eyelids. This condition, often characterized by a relaxed facial expression and a tendency for the eyelids to appear heavy and droop, indicates a state of sedation or lethargy, which is typical for individuals under the influence of narcotics.

Narcotics depress the central nervous system, leading to decreased alertness and physical sluggishness. The heaviness of the eyelids is a clear manifestation of this sedative effect. While drowsiness may also be a symptom of narcotic use, the specific indicator of droopy eyelids directly correlates to the physical appearance of the user and is more distinctive in identifying narcotic influence.

Other options, while potentially observable behaviors in individuals using narcotics, do not focus on the distinctive appearance of the eyelids, which is particularly associated with narcotics.