What is the difference between sedative-hypnotic drugs and stimulants?

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Sedative-hypnotic drugs like barbiturates and benzodiazepines depress the central nervous system and inhibit brain activity, leading to drowsiness and sleepiness. They are often used as sleeping pills or to reduce anxiety. On the other hand, stimulants like caffeine, amphetamines, and cocaine increase alertness and wakefulness by activating certain neurotransmitters in the brain, such as dopamine and norepinephrine. They can be used to treat ADHD, narcolepsy, and depression. Therefore, sedative-hypnotic drugs induce sleep while stimulants trigger alertness.

What Is the Difference Between Sedative-Hypnotic Drugs and Stimulants