# Science

Canonical: https://oniradreams.com/en/blog/category/science
Language: en
Updated: 2026-11-07
Publisher: Tarsier Vision Ltd

Blog

6 posts in Science.

- [Dream Dictionaries vs. Psychological Interpretation](https://oniradreams.com/en/blog/dream-dictionaries-vs-psychological-interpretation): Dream dictionaries list fixed meanings; psychological interpretation starts from you. Compare the two approaches and learn which questions to ask of a dream.
- [Recurring Dreams: Why the Same Dream Keeps Returning](https://oniradreams.com/en/blog/recurring-dreams): Why do some dreams keep coming back? Learn what researchers say about recurring dreams, what they often contain and how to track yours calmly.
- [Sleep Stages and Dreaming: What Happens in REM](https://oniradreams.com/en/blog/sleep-stages-and-dreaming): How do sleep stages relate to dreaming? A plain guide to NREM and REM sleep, what changes in the brain in REM and when vivid dreams are most common.
- [What Is a Nightmare and Why Do We Have Them?](https://oniradreams.com/en/blog/what-causes-nightmares): What is a nightmare, and how does it differ from a bad dream or a night terror? A plain look at what research says about when and why nightmares happen.
- [What Is Lucid Dreaming? What Research Shows](https://oniradreams.com/en/blog/what-is-lucid-dreaming): What is lucid dreaming? Learn how researchers define it, how it was first verified in the lab and what studies say about techniques and limits.
- [Why Dream Symbols Differ From Person to Person](https://oniradreams.com/en/blog/why-dream-symbols-differ): Why does the same dream symbol mean different things to different people? Personal memory, feeling and context shape a symbol more than any dictionary entry.

[All posts](https://oniradreams.com/en/blog)