The text on the sticker is about "Amethyst". It lists its characteristics and benefits. What are these characteristics and benefits?

Characteristics and Benefits of Amethyst:

• Characteristics (象征): Regulation, Sleep, Wisdom.
• Meaning/Benefits (寓意):
  • Relieve anxiety, stress, and negative emotions.
  • Stimulate creativity and logical thinking.
  • Suitable for students, creators, or people who require high concentration.
  • Can improve insomnia or excessive dreaming.