Suddenly realizing while you’re asleep that what you’re experiencing isn’t real, but just a dream, is a strange sensation. You might look around and clearly tell yourself, "I’m dreaming right now." And from there, the next step seems obvious: if you know you’re dreaming, why not try to change the dream however you want?

You try to fly, but your feet stay firmly on the ground. You attempt to open a door to another place, but it leads somewhere you didn’t choose. You call for a specific person, but someone completely different appears.

This paradox is familiar to many people who experience Lucid dreams, sometimes called "conscious dreams," were the focus of a recent scientific review published in the Journal of Sleep Research. The review highlights an important distinction: knowing you’re dreaming doesn’t necessarily mean you can control your dream.

Being aware that you’re dreaming is one thing; actually controlling the dream is another.

A lucid dream is one in which the sleeper becomes aware, during the dream itself, that they are dreaming. In this state, they may retain some ability to think and make decisions, rather than simply being swept along by the events.

However, researchers Clarita Bonamino and Emma Peters point out that studies often confuse three separate things: knowing you’re dreaming, feeling free to act within the dream, and actually being able to change the dream’s events at will.

These three experiences can overlap, but they aren’t the same. This explains a puzzling phenomenon some dreamers describe: being fully aware they’re inside a dream, yet feeling like someone who’s woken up in a world where they don’t hold the keys.

Why doesn’t the dream obey your commands ?

The review suggests distinguishing between two types of control. The first is direct, intentional control like deciding to fly, change locations, or summon someone, and then deliberately trying to make it happen.

The second type is subtler: the dreamer’s expectations and beliefs can shape the dream’s events without any conscious decision to change them. For example, if you expect something frightening to be behind a door, it might appear as soon as you open it. If you’re convinced within the dream that you can’t escape, your attempts may fail even if you know you’re dreaming. In this way, controlling a dream is often more complicated than simply giving it commands.

Who shapes the rest of the dream ?

This raises a fascinating question about the nature of consciousness itself. If the conscious part of us knows we're dreaming but can't predict what will appear behind the next door, where do all the unexpected characters, places, and events come from?

There's no need to assume an external force is running the dream. The brain is capable of generating images, memories, emotions, and expectations without all of these processes being accessible to our direct awareness.

It's not fundamentally different from being awake: a thought, memory, or image can suddenly pop into your mind without you having decided to think of it. In dreams, this inner world becomes even more independent from conscious will , so much so that dreamers can be surprised by what their own minds create.

Is it possible to learn control ?

Previous research shows a wide range of abilities among lucid dreamers. Some can easily change parts of their dreams, while others succeed at simple tasks but struggle with others. There are also those who realize they're dreaming but gain little or no control. For this reason, the researchers argue that studying lucid dreams requires separating awareness from control, rather than treating them as a single phenomenon.

Scientists still don't have a precise, standardized way to measure dream control, nor do they fully understand why some aspects of a dream are easier to change while others resist the dreamer's will.

A small mystery within a larger one

The study doesn't prove that dreams are independent worlds, or that dream characters have their own consciousness. It's a review of previous research, not an experiment demonstrating some unknown force within dreams.

But it does reveal a paradox worth pondering: a person can regain awareness within a dream without regaining full control.

This makes lucid dreaming even more intriguing than the popular idea of 'dream control.' In an instant, you become aware that you're inside a world your brain created, only to discover that parts of that world keep unfolding without your permission.

And so, the question these studies raise is even bigger than dreams themselves:

If the mind can construct an entire world before our eyes, while we have no idea what will happen next, how much control do we really have over our inner experience?