To lucid dream, you train yourself to notice that you are dreaming, most often by combining a dream journal, a clear intention before sleep (the MILD technique) and, for some people, a short awakening in the night (wake back to bed, or WBTB). No method works reliably for everyone. A systematic review of induction studies concluded that none of the techniques had been verified to induce lucid dreams reliably and consistently, although some look promising (Stumbrys et al., 2012). Expect to need several weeks of practice, and expect many attempts to fail.
Lucid dreams are most likely late in the night, when REM periods are longest. The REM sleep calculator estimates when those periods fall for your bedtime.
What Is Lucid Dreaming?
A lucid dream is a dream in which you know you are dreaming while you are still asleep. In the research literature the dreamer is aware of dreaming and often able to influence the ongoing dream content (Stumbrys et al., 2012). It generally takes place in REM (rapid eye movement) sleep, the stage in which most dreaming occurs (Sleep Foundation). A laboratory study of people who signalled lucidity with eye movements found that lucid dreaming occurs in activated REM sleep, not in a mixture of sleep and wakefulness (Sleep, 2022).
A lucid dream is not the same as a vivid dream. A vivid dream is one you remember in great detail; a lucid dream requires awareness, in the moment, that you are dreaming (Sleep Foundation). It is also different from sleep paralysis, in which you are awake and unable to move; more on that below.
How Common Is Lucid Dreaming?
Having one is fairly common, but having them often is not. A meta-analysis of studies from 1966 to 2016 found that about 55% of people have had at least one lucid dream in their lifetime (34 studies, 95% confidence interval 49% to 62%), and about 23% have one or more a month (25 studies, 95% confidence interval 20% to 25%) (Saunders et al., 2016). The studies differed a lot from each other, so treat these as rough averages.
Which Lucid Dreaming Techniques Have The Best Evidence?
The honest answer is that the evidence is thin. The Stumbrys review found 35 studies (11 in sleep laboratories and 24 field studies), of which 26 tested cognitive techniques, and it rated their methodological quality as relatively low (Stumbrys et al., 2012). A later review of the neuroscience of lucid dreaming noted that cognitive approaches also appear promising and that larger studies with better methods are needed (Baird et al., 2019). The table summarises how the main techniques fare.
| Technique | How it works | Evidence strength |
|---|---|---|
| Reality testing | You check many times a day whether you are awake or dreaming, hoping the habit carries into dreams | Weak. The Sleep Foundation says there is little evidence it works, though studies have not ruled out a benefit alongside other methods |
| MILD (mnemonic induction) | As you fall back asleep you rehearse a dream and repeat an intention to recognise that you are dreaming | Among the better supported, but still modest: it leads to a lucid dream in fewer than one in five attempts |
| WBTB (wake back to bed) | You wake after several hours of sleep, stay up briefly, then return to sleep, ideally back into REM | Used mainly to boost other techniques. The sources used here give no strong evidence for WBTB alone |
| WILD (wake-initiated lucid dream) | You try to keep awareness as you fall asleep so that the dream starts with you already lucid | Not rated by the sources used here, so no claim is made about how well it works |
| Dream journal | You write dreams down on waking to improve recall and spot recurring dream signs | Little direct evidence of inducing lucid dreams, but it appears to improve dream recall |
The Sleep Foundation describes MILD as appearing to be one of the most effective methods, while noting it leads to a lucid dream in fewer than one in five cases (Sleep Foundation). Rates are low even when methods are combined. In studies described in the Baird review, 14% of participants who took an inactive placebo while using sleep interruption and MILD reported a lucid dream, and in another study 9% reported one after a 40 minute sleep interruption with a placebo (Baird et al., 2019).
How Do Reality Tests Work?
The idea is to build a habit of asking whether you are awake or dreaming, so that you ask the same question inside a dream. The Sleep Foundation suggests doing a test at least 10 times a day: ask yourself “Am I dreaming?”, look for oddities in your surroundings, or try breathing through your mouth with your lips pressed together (Sleep Foundation). It also reports that users find the practice difficult and burdensome, and that there is little evidence it works on its own.
How Does The MILD Technique Work?
MILD uses prospective memory, which means remembering to do something in the future; here, the thing to remember is that you are dreaming (Baird et al., 2019). The Sleep Foundation outlines these steps:
- When you wake in the night, recall what you were dreaming, or a previous dream you would like to re-enter.
- Pick a sign from that dream that would tell you it is a dream if you saw it again.
- Repeat a phrase such as “When I begin dreaming, I will remember that I am dreaming.”
- Keep recalling the dream and repeating the phrase until you fall asleep.
The same source says evidence suggests that the faster you fall back asleep after waking, the more likely you are to have a lucid dream with MILD (Sleep Foundation).
What Is The Wake Back To Bed Method?
WBTB means deliberately waking during the night, staying awake for a while, then going back to sleep (Sleep Foundation). The aim is to return to REM sleep while you are alert and rehearsing your intention. The Sleep Foundation suggests waking at least five hours after going to bed and staying up for 30 minutes to two hours. It notes that research is mixed on the best wait: some suggests an hour, while other work finds you are more likely to have a lucid dream if you fall asleep as soon as possible after a technique like MILD.
For example, if you go to bed at 11:00 PM, an alarm for 4:00 AM or later fits the “at least five hours” guidance. Waking that late also lands in the part of the night where REM periods are longest, because REM sleep comes in increasingly long stretches as the night goes on (NINDS).
Should You Keep A Dream Journal?
Yes, mainly for recall. The Sleep Foundation says there is little scientific evidence that a dream journal induces lucid dreams, but journals do appear to improve dream recall, which helps if you use MILD, and some people have lucid dreams after combining a journal with other techniques (Sleep Foundation). Our guide on how sleep cycles affect your dreams explains why morning dreams are the easiest to remember.
Does Your Sleep Schedule Matter?
It does. Most dreaming happens in REM sleep, and REM periods get longer through the night (NINDS). The Sleep Foundation notes that lucid dreams are therefore more likely in the second half of the night (Sleep Foundation). Cutting your sleep short removes exactly the period you are aiming for. Keeping regular sleep and wake times, as covered in our sleep hygiene guide, is a sensible base, and the REM sleep calculator shows roughly when your longer REM periods start.
What Are The Risks Of Trying To Lucid Dream?
Most people find lucid dreams pleasant, but the Sleep Foundation lists several risks (Sleep Foundation):
- Lost sleep. Many induction methods require waking in the night, which disrupts sleep, and some people report trouble falling back asleep or poor sleep after failed attempts.
- Altered REM sleep. Because the brain behaves differently in lucid dreaming, some experts worry it might interfere with processes that normally happen in REM sleep.
- Sleep paralysis. Some people who induce lucid dreams experience it.
- Nightmares and confusion. Failed attempts can lead to nightmares, and some people have lucid nightmares or false awakenings that blur the line between waking and dreaming.
- Dissociation. For some people, deliberate induction can cause trouble integrating emotions, sense of self and understanding of reality, and people with certain mental illnesses may be especially vulnerable.
If you have a mental health condition, a sleep disorder or a serious sleep problem, talk to a doctor or mental health professional before trying induction methods.
Is Lucid Dreaming Linked To Sleep Paralysis?
They are different, but related through REM sleep. In sleep paralysis, the muscle relaxation of REM carries on briefly while you fall asleep or wake, so you are aware but cannot move (AASM Sleep Education). The Sleep Foundation says lucid dreaming is an active experience while sleep paralysis is largely passive, and that preliminary research shows a connection between the two, although more rigorous studies are needed (Sleep Foundation). If you are prone to it, read about the causes of sleep paralysis first, and consider whether the broken sleep from WBTB is worth the trade.
What Are The Honest Limits Of Lucid Dreaming Advice?
- No technique has been shown to work reliably for everyone, and most study quality is low (Stumbrys et al., 2012).
- Studies are small, so the rates above may not match your first month of trying.
- Benefits such as fewer nightmares or better mood are early findings only, according to the Sleep Foundation, and the evidence for anxiety and depression is mixed.
- Lucid dreams carry no proven hidden messages. The Sleep Foundation says there is no scientific evidence that they predict the future.
- This guide does not cover drugs, supplements or devices sold to induce lucid dreams. The Sleep Foundation says more research is needed to verify device claims, and supplements can carry health risks that need a doctor’s advice.
Plan your night around the longest REM periods with the REM sleep calculator.
Lucid Dreaming FAQs
How Do You Lucid Dream For The First Time?
Start with a dream journal to improve recall, then add the MILD technique when you wake naturally in the night. Try it for several weeks. Success is not guaranteed, because no technique has been shown to work reliably.
Is Lucid Dreaming Real?
Yes. It has been recorded in sleep laboratories, where dreamers signal awareness with pre-agreed eye movements, and it occurs in REM sleep (Sleep, 2022).
Can Anyone Learn To Lucid Dream?
Probably many people can have one, since about 55% report at least one in their lifetime (Saunders et al., 2016). How well you can learn to do it on demand is not settled.
How Long Does A Lucid Dream Last?
Usually from a few minutes to as long as 15 minutes, limited by the length of the REM period (Sleep Foundation).
Can You Get Stuck In A Lucid Dream?
No. REM periods are finite, so the dream ends. You may feel stuck, but you cannot be (Sleep Foundation).
Is Lucid Dreaming Dangerous?
It is not usually harmful in itself, but trying to induce it can cost you sleep and, for some people, cause nightmares, sleep paralysis or dissociation. See a doctor first if you have a mental health condition or a sleep disorder.