The Reality Testing Method
Drill a physics-check on waking reality until it becomes reflexive and bleeds into your dreams.
- Difficulty
- Moderate
- Time to result
- ~weeks to results
- Steps
- 5
- Confidence
- 86%
The input is a waking day. The mechanism is habit transfer across the sleep boundary. During the day you deliberately test reality in a way you do not normally do: press a hand down on a table and confirm it resists as the waking laws of physics predict, or flip a light switch and confirm the lights go on and then off. Do this throughout the entire waking day until it becomes a reflexive habit. The hope, Walker says, is that the habit bleeds through from waking life into dreaming life, and one night you press your hand on the table and it goes straight through to the other side. At that moment the jig is up: you know you are not awake, and you gain lucidity. Ferriss adds the selection criterion the method usually omits. If the reality test is hard to precisely and convincingly test, it will not translate to a dream. Attempting to fly fails this test, because after lunch when the alarm goes off there is no convincing way to attempt flight. What works are patterns and readouts: long tiles with a single orientation, which stay the same in reality but almost always reorient in a dream because the mind is reconstructing the pattern, and digital clock readouts, where the numbers will not be the same. The output is intermittent induced lucidity, plus a stabilisation problem, since most people realise they are dreaming and immediately snap out of it.
Origin
The method was popularised by Stephen LaBerge, a researcher working in the Bay Area in the 1980s and 90s whom Walker credits as the pioneer of modern lucid dreaming, and laid out in his book Exploring the World of Lucid Dreaming. It reached a wider audience through Richard Linklater's film Waking Life.
Core principles
- 01A habit drilled to reflexive frequency during waking hours bleeds through into the dreaming mind.
- 02The test must be one whose failure is unambiguous, because a vague test produces a vague result inside a dream.
- 03Dream physics fails in specific, repeatable ways: hands pass through solid surfaces, patterns reorient when you look away and back, and digital readouts change.
- 04Choosing tests you can perform convincingly while awake is what makes the habit transfer; a test you fake while awake will be faked in the dream.
- 05The trigger can be either a recurring dream motif identified from a journal or a randomised waking alarm.
- 06Lucidity is fragile at onset; most people realise they are dreaming and immediately wake or drop back into non-lucid sleep.
How to run it
- 1
Select tests with unmistakable failure modes
Choose two or three checks whose outcome is binary: pressing a hand into a table, flipping a light switch, reading a digital clock, or looking away from a strongly patterned surface and back.
Pro tip Ferriss's criterion is that if the test is hard to precisely and convincingly perform awake, it will not translate to the dream.
Watch out Attempting to fly is the classic failed choice, because there is no convincing way to attempt it after lunch when your alarm goes off.
- 2
Set the trigger
Either use recurring dream motifs surfaced by a dream journal, such as walking through doorways or looking at a watch, or set alarms at random points in the day that force a test.
Pro tip Motif-based triggers are stronger because the cue is already native to your dreams; random alarms are the fallback when you have no journal yet.
Watch out A fixed daily alarm time trains the habit to a clock rather than to a context, which is not something the dreaming mind can reproduce.
- 3
Physically perform the test, every time
Actually press the hand down, actually flip the switch, actually reread the clock. Walker's description is explicit that the action is performed, not imagined.
Pro tip Perform it with genuine doubt about the answer; going through the motions while certain you are awake trains the wrong thing.
Watch out Mentally noting the test without doing it is exactly how you will handle it inside a dream, which produces no lucidity.
- 4
Repeat until reflexive
Continue throughout the entire waking day until the check no longer requires deliberate initiation. Reflexiveness is the condition for the habit bleeding through into dreaming.
Pro tip Ferriss frames the commitment as similar to building an anger pattern interrupt: taking something subconscious and making it conscious takes time.
Watch out Walker cautions that the statistical robustness of these techniques is not especially high, so expect probabilistic rather than reliable results.
- 5
Stabilise the moment lucidity arrives
When a test fails and you realise you are dreaming, do not react with excitement. Ferriss reports that looking at your hands or attempting to spin in place, much as you would physically, seems to extend the session.
Pro tip Ferriss flags this as personal experience with no studies to cite, which is the right confidence level to hold it at.
Watch out For most people the realisation is what ends it; they either wake up or drop straight back into non-lucid sleep.
In the wild
Ferriss described the tests experienced lucid dreamers tend to corroborate. If you look at long tiles with one orientation in a restaurant, look away, and look back, in reality they stay the same, but in a dream state they very often almost always reorient because the mind is reconstructing the pattern. Similarly, a digital clock readout will not show the same numbers on a second look; the time will change.
→ Two tests that are trivially performable awake, unambiguous in outcome, and that fail reliably in dreams, which is exactly the profile the method requires.
At the end of high school Ferriss was preparing to compete at a national level in wrestling. He used lucid dreaming to drill with a coach from Oklahoma, John Smith, whom he had never met and still has never met, performing the drilling inside lucid dreams as added practice time.
→ Ferriss reports he really seemed to discern a translation of that in-dream practice to performance on the mat, and Walker connected it to dream sleep's role in associative problem solving and skill integration.
Common mistakes
Choosing a test you cannot convincingly perform awake
Attempting to fly is the standard failure. If you cannot make a genuine, convincing attempt during the waking day, the habit you drill is a half-hearted gesture, and that is what will appear in the dream.
Reacting to lucidity instead of stabilising
Most people have had the experience of becoming conscious that they are dreaming and immediately waking up or dropping back into non-lucid sleep. Without a stabilisation move the moment of success is also the moment of loss.
Expecting fast, reliable results
Walker notes that while these techniques do reach statistical significance, the reliability is not especially high, and Ferriss describes the practice as quite a commitment requiring regimented training over an extended period.
Is it for you?
Best for
Someone willing to run a small deliberate practice many times a day for weeks, who wants dream awareness for rehearsal, creativity, or to stop dreading sleep.
Not ideal for
Anyone unwilling to sustain a multi-week training commitment, or who finds lucid dreams leave them mentally fatigued the next morning.
From the transcript
“the idea of the reality testing method is that during the waking day you start to test reality in a way that you don't normally…”
“start doing this throughout your entire waking day to the point where it becomes a reflexive habit and then the hope is that that habit…”
“if the reality test is hard to prec precisely convincingly test it may not translate to dream”
“if you look at say a digital clock readout something like that the numbers will not be the same the time will change”
From the episode
#654: Dr. Matthew Walker, All Things Sleep Continued — The Hidden Dangers of Melatonin, Tools for Insomnia, Enhancing Learning and Sleep Spindles, The Upsides of Sleep Divorce, How Sleep Impacts Sex (and Vice Versa), Adventures in Lucid Dreaming, The One Clock to Rule Them All, The IP Addresses of Your Memories, and More