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Visualization

Leaves on a Stream

What it is

This is a classic exercise from Acceptance and Commitment Therapy (ACT). The idea is simple: instead of getting caught up in every thought that passes through your mind, you practice watching them from a distance — like leaves floating down a stream. You don't chase them, you don't grab them, you just let them pass. The goal is not to make thoughts go away; it's to change your relationship to them so they have less power over you.

Step by step

  1. Close your eyes and take a few slow breaths to settle in.
  2. Imagine you're sitting on the bank of a gentle stream. Leaves are drifting past on the surface of the water.
  3. As a thought arises in your mind, place it onto a leaf and watch it float downstream. It could be a worry, a memory, a judgement — just put it on a leaf.
  4. If the thought is sticky or intense, notice that too. Place "this thought is really sticky" onto a leaf and let it float away.
  5. Some leaves will drift by quickly. Others will get caught on a branch or circle back. That's fine. Just watch.
  6. Keep going for 3-5 minutes. When you open your eyes, notice if your relationship to your thoughts feels any different.

Why it helps

  • Builds the skill of cognitive defusion — seeing thoughts as thoughts, not as truths
  • Creates immediate emotional distance from overwhelming thoughts
  • Teaches you that you can coexist with difficult thoughts without being controlled by them
  • Portable and private — can be done anywhere you can close your eyes

Tips

If streams aren't your thing, use clouds in the sky, cars on a road, or trains on a track — whatever works.

The point is not to get rid of thoughts. If a thought keeps coming back, just keep putting it on a leaf.

This works best as a daily practice, not just in crisis. Like any skill, it gets easier with repetition.

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