21 C.F.R. § 338.3
Definition.
Cite as 21 C.F.R. § 338.3 (2026)
As used in this part:
Nighttime sleep-aid.
A drug that is useful for the relief of occasional sleeplessness by individuals who have difficulty falling asleep.
21 C.F.R. § 338.3
Cite as 21 C.F.R. § 338.3 (2026)