The inner life
Reality Testing
Direct answer
Reality Testing: Reality testing is a lucid dreaming practice of regularly asking oneself, while awake, whether one is dreaming, and performing a check, so that the habit recurs within dreams.
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At a glance
- Also called
- reality check lucid dreaming, reality checks, critical state testing, am i dreaming test
- Found in
- Consciousness & Spiritual Psychology
- Related
- Lucid Dreaming, Dream Sign, MILD, False Awakening
Reality testing is a lucid dreaming practice of regularly asking oneself, while awake, whether one is dreaming, and performing a check, so that the habit recurs within dreams.
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What is a reality check in lucid dreaming?
In reality testing the person interrupts their day several times to ask a real question: could this be a dream? They then test it. Text is read twice to see whether it stays the same. The hands are examined. The nose is pinched shut to see whether breath still passes. Awake, each check gives the ordinary answer.
The purpose lies in the dream. Habits of waking life can show up in dreams, and the hope is that a person who questions often will come to question during one. There the text shifts or the breath passes, and the dreamer becomes lucid. The check matters less than the sincerity of the question.
On the tree of the hidden arts: Lucid dreaming.
What sets Reality Testing apart
Tholey insisted on the difference between asking and checking. His critical question was to be posed with real doubt, by examining the moment for anything dreamlike and by tracing back how one arrived here, since dreams have no continuous past. The physical checks came later and are aids. LaBerge's data favoured text: in his subjects' lucid dreams, words changed on a second reading about three times in four and on a third nearly always.
- Originator: Paul Tholey, from 1959: the reflection technique
- The question: am I dreaming or not, asked with genuine doubt
- Text check: read, look away, read again: dream text changes
- Breath check: pinch the nose shut and try to inhale
- Suggested rate: five to ten times a day and at anything odd
- 2017 finding: no effect alone in one week; effective combined with MILD
Often mistaken for something else: MILD plants an intention at the edge of sleep; reality testing builds a daytime habit and waits for it to surface in a dream.
The story behind Reality Testing
Paul Tholey, a German psychologist and lucid dreamer, developed the practice from 1959 and published it as the reflection technique, built on what he called the critical question. Stephen LaBerge taught critical state testing in the 1980s and found re-reading text the most dependable check. The everyday term reality check spread through lucid dreaming books and online forums from the 1990s.
Why Reality Testing matters
Reality Testing is the most widely taught lucid dreaming method and the simplest to begin, which is why its real, limited evidence is worth knowing.
How to read Reality Testing
Practitioners attach the question to a few daily cues and to anything odd, and pair it with other methods instead of relying on it alone.
Reality Testing in practice: an example
A reader who checks a line of print at every doorway may one night find the words rearranging themselves, and realise why.
Where readings of Reality Testing go wrong
Anyone who finds that doubting reality by day brings unease, or who already struggles to tell dream from waking, should not use it.
Sources and editorial method
This entry summarizes the tradition in the Almanac's own words; where no source is listed, it is an editorial summary rather than a primary text, and symbolic readings are named as the tradition's, not as fact.
- Source
- The Great Almanac Dictionary
- Category
- Consciousness & Spiritual Psychology
- Aliases
- reality check lucid dreaming, reality checks, reality testing lucid dreaming, critical state testing, am i dreaming test
- Last updated
- 2026-09-26
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Common questions
What is a reality check in lucid dreaming?
It is a quick test, done after asking whether you are dreaming, whose result differs in a dream: text that changes when re-read, or breathing through a pinched nose.
Do reality checks work?
They help some people, mostly together with other methods. In a 2017 study a week of reality testing alone did not increase lucid dreams, while a combined method did.
How many reality checks should I do a day?
Teachers usually suggest five to ten sincere checks tied to regular cues. Many mechanical checks are less useful than a few in which the question is truly asked.
