Italian-English translations for soporifero

boring
us
What a boring film that was! I almost fell asleep.boring equipment
drowsy
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I was feeling drowsy and so decided to make a cup of coffee to try to wake myself up.It was a warm, drowsy summer afternoon.drowsy medicine

dull
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All these knives are dullHe sat through the dull lecture and barely stayed awakeWhen does having a dull personality ever get you a girlfriend? Even if you get one, how does being dull help you keep a relationship for over a year?
soporificThe doctor prescribed a soporific to help the patient sleepThe professor delivered a soporific lecture
tedious
us