He says that he's been visited by her in his sleep.
Queen mab was mention by Mercutio in scene vi, who was mocking about Romeo's believe in dreams.
According to Mercutio, the fairy queen, Queen Mab, is a fairy mid-wife. She is responsible for causing dreams. Mercutio is a character from Romeo and Juliet.
Mercutio is the guy who blithers on about Queen Mab. This is in Act 1 Scene 4.
Queen Mab is first mentioned by Mercutio in act 1 scene 4 from lines 59-100.
Mercutio describes Queen Mab as the "fairies' midwife" in his famous Queen Mab Speech.
The Queen Mab Speech shows that Mercutio is imaginative, creative, quick-witted, and lively.
Queen Mab, Queen of the Fairies.
Mercutio
You dream about what you care about.
In Mercutio's speech in Romeo and Juliet, it's Queen Mab. In A Midsummer Night's Dream it's Titania.
In Mercutio's soliloquy about Queen Mab, he starts by presenting her as a whimsical and tiny fairy who influences people's dreams. However, as he continues, his depiction of Queen Mab becomes darker and more destructive, highlighting the potent and often negative impact she has on human nature and behavior. The shift from light-hearted to ominous tones in his speech reflects Mercutio's complex and sometimes contradictory view of the world.
In Shakespeare's play "Romeo and Juliet," the fairy queen is Queen Mab. Mercutio delivers a monologue describing her as a mischievous and whimsical figure who influences people's dreams with her fantasies.