A member asked:

How long does the night quill zzz sleep aid stay in your system? i took it at 11pm last night.

A doctor has provided 1 answer

Not too long: The active ingredient can be Diphenhydramine which is Benadryl (diphenhydramine) that causes the drowsy effect or any other similar antihistamines. Usually 4-6 hours.

Answered 11/23/2015

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Related Questions

A member asked:

Am five months and i dont sleep can i take night quill?

A doctor has provided 1 answer