So she was considering, in her own mind {as well as she could, for the hot day made her feel very sleepy and stupid}, whether the pleasure of making a daisy-chain would be worth the trouble of getting up and picking the daisies, when suddenly a White Rabbit with pink eyes ran close by her.
In this scene, Alice is contemplating whether the enjoyable activity of making a daisy-chain is worth the effort required to gather the daisies, all while feeling drowsy due to the hot weather. Her mind is preoccupied with this small decision, reflecting her whimsical and curious nature.
"So she was considering, in her own mind {as well as she could, for the hot day made her feel very sleepy and stupid}," highlights her internal monologue. Suddenly, her attention is caught by a White Rabbit with pink eyes rushing past, jolting her out of her daydream and setting the stage for her adventures in Wonderland.
