ELi5 How come some drugs at lower doses give you energy but in higher doses make you sleepy?

Question

Some drugs I have taken at lower doses give me all the energy but if I take more it puts me straight to sleep and I cannot stay awake.

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Answer 1

What drugs are you even talking about. Sounds like You’re describing alcohol, which is a downer in and of itself. Small amounts depress inhibition, allowing you to feel more talkative and carefree. Large amounts shut everything down so you pass out.