Biology · Neurotransmitters & Sleep Physiology
Which neurotransmitter plays a key role in promoting sleep, modulating mood, and acting as an inhibitory mechanism in brain pathways?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Epinephrine
- 2Serotonin✓
- 3Oxytocin
- 4Dopamine
Correct answer
Serotonin
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