Lucidly
Apple Watch app for lucid dreamsREM cues delivered on your wrist
Highlights
What you can do with it
- Practicing lucid dreaming as a hobby
- Testing whether dream cues work for your sleep pattern
- Keeping a private sleep record without creating an account
How to use it
- 1 Install the app on an iOS device paired with an Apple Watch
- 2 Set the detection threshold and the cue style
- 3 Choose the number of sessions and the alarm duration
- 4 Wear the watch to sleep and let it cue you during REM
- 5 Adjust settings based on what you notice over several nights
Who it is for
Pros
- No registration required
- Privacy focused, with data kept on the device
- Cue settings are adjustable to taste
- Detection runs from a pre trained model rather than fixed timers
Limitations
- Requires both an iOS device and an Apple Watch
- A subscription is needed for continued use, monthly or yearly
- Detection depends on wearable data quality, which varies
- Cues may wake you instead of making you lucid
What Lucidly is
Lucidly is an AI powered app that helps you achieve lucid dreams. A lucid dream is one where you become aware that you are dreaming while it is still happening, and the common technique for triggering that awareness is to deliver a cue at the right moment in the sleep cycle. Lucidly's job is timing: it monitors your sleep health data, runs it through a pre trained neural network to detect when you enter REM sleep, and then sends a gentle vibration and sound reminder through your Apple Watch.
The app is deliberately adjustable, because cue sensitivity is personal. You can set the detection threshold, the alarm duration, the number of sessions, and the strength of the haptic feedback. Privacy is treated as a core feature: the listing states that health data stays on your device, is not transmitted to external services, and that no personal information is collected. Access is simple too, since no registration is required, and you can cancel at any time. A monthly or annual subscription is needed for continued use.
What you can do with it
- Detect REM sleep from your wearable data
- Receive a gentle vibration and sound cue during REM
- Tune threshold, alarm duration, session count, and haptics
- Use the app without creating an account
- Keep sleep data local to your device
Who it is for
- Lucid dreaming hobbyists experimenting with cues
- People who already wear an Apple Watch for sleep tracking
- Users who want to start without registering an account
- Anyone curious about when REM occurs in their own sleep
- Privacy conscious users who prefer on device processing
What to watch out for
You need both an iOS device and an Apple Watch, so this is not an option for Android users or people without the watch. Detection quality depends on wearable input, and a loosely fitted watch or a disturbed night will weaken the data the model reads. A cue is a nudge, not a guarantee: sometimes it wakes you instead of making you lucid, and results vary from person to person. Continued use requires a monthly or yearly subscription, and sleep disruption is worth taking seriously, so if you have a sleep condition, talk to a clinician before changing your sleep routine for dream experiments.
FAQ
What hardware do I need?
An iOS device and an Apple Watch, according to the listing.
How does it know when to cue me?
It monitors sleep health data and uses a pre trained neural network to detect when you enter REM sleep.
Where does my data go?
The listing says health data is kept on your device, is not transmitted to external services, and no personal information is collected.
Do I need an account?
No registration is required, and you can cancel anytime.
Why it is free
What the official page says： no registration
Free limits, trial length and features are decided by the official site and can change at any time.
Product preview
Screenshot archived from the listing page, for preview only.
