Tidal Sleep

Dream Tide

Remember Your Dreams. Maybe Steer One.

A lucid dream is one where you realise you are dreaming while it is still happening. About half of people say they have had at least one. Tidal Sleep includes a private dream journal and an optional lucid dreaming course, built on the techniques with the best evidence, with honest notes on what is still uncertain.

Well studiedSeveral good trials or reviews agree PromisingPositive trials, but small or few EarlyInteresting, not yet proven

In the App

Bedtime First. Night Waking Only If You Choose.

Everything below runs on your phone. Dream entries are private, transcribed on device and never uploaded. The lucid dreaming course is off until you switch it on.

On wakingVoice journal

Tap your Watch or phone and speak. Recall fades within minutes, so the journal opens straight to record.

At bedtimeMILD rehearsal

A short guided audio: recall a recent dream, spot the dream sign, set the intention “next time I’m dreaming, I’ll notice”.

By dayReality checks

A few gentle nudges to pause and ask “am I dreaming?”. A calm habit; on its own it has not been shown to work.

OptionalWake back to bed

A soft alarm in the early hours, then MILD as you drift off again. It works best of all, and it costs sleep, so we limit it.

The Evidence

What the Research Says

Well studied

Lucid Dreams Are Common

A meta-analysis of studies from 1966 to 2016 found about 55% of people report at least one lucid dream in their lifetime, and around 23% have them monthly or more.

Saunders et al. 2016, Consciousness and Cognition. PubMed

Promising

MILD Is the Best-Supported Technique

A 2023 systematic review of 19 studies rated MILD (mnemonic induction of lucid dreams) as the only technique with consistent support. In the largest home study, 355 people had lucid dreams on about 17% of nights using MILD after a short night waking.

Tan and Fan 2023, J Sleep Res; Aspy 2020, Frontiers in Psychology

Promising

Falling Asleep Quickly After MILD Matters

In the same study, success was much higher when people fell asleep within about ten minutes of doing the technique. Self-rated sleep was no worse on successful nights.

Aspy 2020; Aspy et al. 2017, Dreaming. Summary

Early

Reality Checks Alone Do Not Do Much

Checking your hands or reading text twice is a popular tip, but in larger studies it did not raise lucid dreaming on its own. We offer it as a mindful habit, not a technique.

Aspy 2020; Tan and Fan 2023

Early

Sound Cues at Home: Small Effect, Real Cost

Northwestern researchers played learned cues through a phone about six hours after sleep, without detecting dream sleep. Lucid dreams rose in one experiment but not clearly overall, and the cues often woke people up.

Konkoly et al. 2024, Consciousness and Cognition. PDF

Early

Practice in Dreams

In a small study of frequent lucid dreamers, practising a finger-tapping task in a lucid dream improved it about as much as real practice. Fascinating, but far from proven for sport or skills.

Stumbrys, Erlacher and Schredl 2016, J Sports Sci. Record

Early

Lucid Dreaming Is Not a Nightmare Treatment

For frequent nightmares, the better-established approach is imagery rehearsal therapy, delivered with a clinician. Evidence for lucid dreaming as a nightmare treatment is mostly case reports, and lucid nightmares can be distressing. If nightmares are affecting you, please talk to your GP.

AASM position paper 2018, PubMed; Macedo et al. 2019, Frontiers in Psychology

Science, not a feature

Talking to Dreamers

In 2021, four labs showed that people in lucid dreams could hear simple maths questions and answer with eye movements, under full sleep lab monitoring. It shows how real lucid dreaming is. It is not something a phone or watch can do.

Konkoly et al. 2021, Current Biology. Summary

Please Read

Who Should Skip the Lucid Dreaming Course

Most of the risk comes from waking yourself in the night, which costs sleep. Researchers have also found links between deliberately inducing lucid dreams and dissociation (feeling detached or unreal), though cause and effect is not proven.

  • Psychosis or bipolar disorderNow or in the past. Clinicians advise against lucid dream training.
  • Dissociation or PTSD nightmaresLucid nightmares can add distress. Speak to your GP or therapist first.
  • Insomnia or short on sleepFix sleep first. Wake back to bed makes a short night shorter.
  • Epilepsy, pregnancy, shift workSleep disruption matters more for you. Check with your GP.

Our limits. Wake back to bed is limited to two nights a week and is never suggested before an early start. Night cues are an experiment, off by default, and the app does not claim to detect dream sleep: no consumer watch app can do that in real time. Stop if your sleep, mood or sense of what is real gets worse.

No pills. One lab study used a prescription dementia medicine to boost lucid dreams. We do not recommend any medicine or supplement for dreaming.

Sources

  1. Saunders DT et al. (2016). Lucid dreaming incidence: a quality effects meta-analysis of 50 years of research. Consciousness and Cognition. PubMed
  2. Stumbrys T et al. (2012). Induction of lucid dreams: a systematic review of evidence. Consciousness and Cognition. PubMed
  3. Aspy DJ et al. (2017). Reality testing and the mnemonic induction of lucid dreams. Dreaming. Summary
  4. Aspy DJ (2020). Findings from the International Lucid Dream Induction Study. Frontiers in Psychology. Full text
  5. Tan S, Fan J (2023). A systematic review of new empirical data on lucid dream induction techniques. Journal of Sleep Research.
  6. Konkoly KR et al. (2021). Real-time dialogue between experimenters and dreamers during REM sleep. Current Biology. Summary
  7. Konkoly KR et al. (2024). Provoking lucid dreams at home with sensory cues paired with pre-sleep cognitive training. Consciousness and Cognition. PDF
  8. Stumbrys T, Erlacher D, Schredl M (2016). Effectiveness of motor practice in lucid dreams. Journal of Sports Sciences. Record
  9. Macedo TCF et al. (2019). My dream, my rules: can lucid dreaming treat nightmares? Frontiers in Psychology. Full text
  10. Morgenthaler TI et al. (2018). Position paper for the treatment of nightmare disorder in adults. J Clin Sleep Med. PubMed
  11. Soffer-Dudek N (2020). Are lucid dreams good for us? Frontiers in Neuroscience. PDF