Create a fictional world where dreams are a parallel universe that one can visit while sleeping. Write a story about a character who is able to consciously control their dream world and the consequences they face when they realize their dream actions have real-life effects.
In the world of Somnia, dreams were not just figments of one's imagination, but parallel universes that existed in a different plane of existence. Most people visited these worlds every night, but few could consciously control their dreams.

One of those rare individuals was a young woman named Aria. Ever since she was a child, she had been able to shape her dream world and explore it at will. She could create entire landscapes, conjure up fantastical creatures, and even fly through the skies with ease.

Aria reveled in the freedom her dream world offered her. She often used it as an escape from her mundane life, creating adventures that she could never experience in the waking world. But one night, everything changed.

As Aria explored her dream world, she created a beautiful garden filled with exotic flowers and strange creatures. But as she played with them, she began to notice something odd. The creatures she had created were disappearing, and the flowers were wilting.

Aria was puzzled until she realized that her dream actions were having real-life effects. She had created a garden in her dream, but in doing so, she had drained the energy from the plants and animals in the waking world. Aria was horrified and vowed never to consciously control her dreams again.

But the damage had already been done. The next morning, Aria woke up to find that the plants in her yard were withered, and the animals in the nearby woods had disappeared. She had unwittingly caused ecological devastation, and she didn't know how to fix it.

Determined to make things right, Aria sought out an ancient dream sage who lived deep in the forest. The sage told her that the only way to undo the damage was to travel back in time to the moment she created the garden and undo the spell.

Aria was hesitant, but she knew it was the only way to make things right. She closed her eyes and focused on the memory of the dream garden, feeling herself slipping into the dream world once more. This time, she approached the garden with caution, focusing on the spell that had caused so much damage.

With a deep breath, Aria undid the spell, feeling the energy of the dream world flow back into the waking world. When she woke up, the plants in her yard were vibrant, and the animals had returned to the woods. Aria was relieved, but she also knew that she could never take her control over her dream world for granted.

From that day forward, Aria continued to explore her dream world, but she did so with caution and respect for the world around her. She knew that dreams were not just a playground for her imagination, but a powerful force that could affect the world in unexpected ways. And she was determined to use her power for good, both in the dream world and in the waking world.
What is the moral of this story?