Sleep Fast - fall asleep quickly logo

Sleep Fast - fall asleep quickly for Android

Developer's Description

Calm down quickly from your busy day

Synchronize your breathing with the rhythm of a circle which is changing its size. This will clear your mind from thoughts and worries which you gathered during the day.

Slow down your breath

The circle will slow down over time. This will reduce your heart rate to get you relaxed quickly.

Get tired quickly

The breathing rhythm of the circle has a long exhale phase which reduces the amount of carbon dioxide in your blood. This will make you tired quickly.

Let the app lull you to sleep

When your eyes get tired you can close them and listen to the guitar tones. They indicate the breathing rhythm to continue. Your brain waves and muscle activities will start to slow down. Soon you will enter a deep sleep phase.


Fast sleep: The circle is a natural sleep aid which combines techniques from yoga and meditation to get you to the rem sleep cycle quickly.

Synchronize your breath: Measure your current respiratory rate and use it for the starting rate.

Fading out light: The fade out effect will get you faster to the next sleep cycle.

Fading out sound: The guitar tones will clear your mind. (ASMR)

True Sunset: The sun changes its colors from yellow to red like a real sunset.

Sleep Timer: A set timer of 30 minutes will turn off light and sound.

Smart brightness control: Tap anywhere on the screen to increase brightness temporary to adjust settings.

Articles: Read articles how to improve your sleep and wake up.

Prevent sleep disorders

Gentle sleep sounds and gentle light may help with sleep disorders caused by stress, jet lag, depression, migraine, headache, motivation, tinnitus, insomnia, burn-out, autism, PTSD, anxiety disorder, ADHD, mental disorder. Please note that the app is not a medical product and sleep disorders should always be clarified by a doctor. But it may relieve you from sleeping pills.

Full Specifications

What's new in version 4.4.1


Release April 27, 2020
Date Added April 27, 2020
Version 4.4.1

Operating Systems

Operating Systems Android
Additional Requirements Requires Android 4.1 and up


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