fastsleep.app is a guided cognitive shuffling web app that plays audio phrases for users to imagine, helping them fall asleep by replacing nighttime overthinking.
What is fastsleep.app?
fastsleep.app is a web-based sleep aid that uses guided cognitive shuffling — a technique where unrelated audio prompts (e.g., “calm river,” “heavy rain over a tree”) are played for the user to visualize. The app takes no input besides the user’s chosen session duration, audio gap, and volume settings; it outputs a timed sequence of spoken phrases. It runs in a browser on any device with internet access. No developer or company name is stated on the page.
Key Features
- Adjustable session duration — Default 30 minutes; user can set a shorter or longer session to match their typical sleep onset time.
- Customizable audio gap — Time between phrases defaults to 8 seconds; adjustable to control pacing of imagery prompts.
- Gradual volume reduction — Audio volume automatically decreases over the session to avoid abrupt silence and ease the transition into sleep.
- One‑tap start — “Turn off the lights and press Start” is the only setup required; no account creation or onboarding.
- Cognitive shuffling prompts — Audio phrases are unrelated and randomized to distract from racing thoughts, based on the proven cognitive shuffling method.
- Free‑to‑try base tier — Freemium pricing model lets users access core functionality without upfront payment.
Who is it for?
- People with insomnia — Use the guided audio to replace sleepless worrying with neutral imagery and reduce time to fall asleep.
- Nighttime overthinkers — Those who lie in bed with racing thoughts can offload mental effort to the app’s prompts.
- Anyone seeking a non‑pharmacological sleep aid — No substances, screens after starting, or complex routines; just listen and imagine.
What can you do with fastsleep.app?
- Bedtime routine: Start a 30‑minute session after turning off lights, close your eyes, and follow each audio phrase to shift focus from active thinking to passive visualization.
- Customize session pacing: Adjust the gap between phrases (default 8 seconds) to match your preferred rate of mental imagery; increase gap for more reflection time or decrease for faster distraction.
- Use gradual volume fade: Enable the “gradually lower volume” option so the audio fades out naturally, preventing abrupt silence that might wake you.
How does fastsleep.app work?
- User turns off lights, presses Start, and closes their eyes.
- The app plays a series of unrelated spoken phrases (e.g., “calm river,” “heavy rain over a tree”) at a user‑selected interval.
- User imagines each phrase as it is heard, replacing intrusive thoughts with the guided imagery.
- Audio volume decreases gradually over the session; when the session ends, silence remains.
Pricing
Freemium — core session features are available at no cost; additional features or limits may require payment.
FAQ
Is fastsleep.app free to use?
Yes, the app follows a freemium model. The basic session with adjustable duration, audio gap, and gradual volume reduction is available without payment. No credit card is required to start.
How long is a session?
The default session length is 30 minutes. You can adjust the duration before starting — shorter or longer — to fit your typical sleep onset window.
Do I need to create an account?
No account or sign‑up is mentioned on the page. You can press “Start” immediately after setting your preferences.
Can I change the gap between audio phrases?
Yes. The audio gap defaults to 8 seconds and is adjustable via the settings shown on the page.
What is “gradually lower volume”?
When enabled, the app reduces the volume of the audio prompts over the course of the session. This prevents an abrupt end to the sound and helps you drift into silence naturally.