I'd ignore comparisons of dosage. E.g. some potent antihypertensives are dosed around 1mg while others are up into the 100s of mgs. Even the same classes of drugs can have wildly varying dosages.
WRT sleeping tablets, there's no similarity between dosages of sedating antihistamine (which I suspect you have) and benzodiazepines. Nor are you likely to become addicted to the sedating antihistamine at that dosage, fwiw, unlike benzo dependency that's such an issue that the current US administration has declared war on it.
In any case: in science, the animal is always right. So if it works for you, then it works, period.
"... They ne'er cared for us
yet: suffer us to famish, and their store-houses
crammed with grain; make edicts for usury, to
support usurers; repeal daily any wholesome act
established against the rich, and provide more
piercing statutes daily, to chain up and restrain
the poor. If the wars eat us not up, they will; and
there's all the love they bear us."
-- Shakespeare: Coriolanus, Act 1, scene 1