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App Store Apps > Health & Fitness > TheLeft-SleepPositionalTrainer
TheLeft-SleepPositionalTrainer icon

TheLeft-SleepPositionalTrainer

1.0.4
Side Sleep Technologies BV
4.00
1 reviews
Free

Download from the App Store

About TheLeft-SleepPositionalTrainer

TheLeft-SleepPositionalTrainer was an overall app developed by Side Sleep Technologies BV. It was removed from Google Play Jun 21, 2025 and is no longer available for download.

Download Statistics

User Ratings

TheLeft-SleepPositionalTrainer was rated 4.00 out of 5 stars, based on one rating ratings.

App Information

TheLeft-SleepPositionalTrainer was free to download. The APK download size was 16.43 MB. The last available version was 1.0.4. The last update was on April 16, 2025.

Technical Requirements

The app had a content rating of High Maturity. The app had been available on Google Play February 2023.

Description
FOR APPLE WATCH USERS

Engineered to fight nighttime heartburn symptoms by training you to sleep predominantly on your left side.

When sleeping on your right side, stomach acid flows into the esophagus, causing a painful burning sensation. The Left subtly trains you to sleep on your left side, where the stomach is positioned below the esophagus. The results: acid will have a harder time moving upward, meaning no more nighttime heartburn symptoms and the pain goes away.

HOW DOES THE LEFT WORK?

The left tracks your sleeping body position on your watch and without waking you up, provides you with a gentle vibration once it detects that you are sleeping on the right side. The vibration stimulates you to sleep on your left side more often and longer throughout the night. Your body will be conditioned not to sleep on your right side within a week.


INTERESTED IN TRYING OUT THE LEFT?

Natural Solution
Scientifically Proven Technology
Painless Sleeping
Safe, Pre-Tested
Non-Invasive

IMPORTANT! Ensure that your iPhone and your Apple Watch are updated with the latest software version.

Medical Information Disclaimer

Before using this app please get advice from a professional healthcare provider or doctor.

The information about health provided by the app is not intended to diagnose, treat, cure, or prevent disease. Products, services, information, and other content provided by the app, including information linking to third-party websites are provided for informational purposes only.

The information offered by the app is not comprehensive and does not cover all diseases, ailments, physical conditions, or their treatment.

Individuals are different and may react differently to different products. Comments made on the app by employees or other users are strictly their personal views made in their capacity and are not claims made by the Company nor do they represent the position or view of the Company.

The Company is not liable for any information provided by the app about recommendations regarding supplements for any health purposes.

The Company makes no guarantee or warranty to any advice or functionality offered by the app. The Company is not responsible for any damages for information or services provided even if the Company has been advised of the possibility of damages.

Links to relevant papers:

Certain Sleep Positions can have an effect on the % of stomach acid in the esophagus and sleeping on the left lateral position using sleep positional therapy can be advised by doctors based upon the below scientific publications.

Schuitenmaker, 2022
https://www.cghjournal.org/article/S1542-3565(22)00247-6/fulltext

Schuitenmaker, 2021
https://journals.lww.com/ajg/Citation/2022/02000/Associations_Between_Sleep_Position_and_Nocturnal.28.aspx

Khoury 1999
https://pubmed.ncbi.nlm.nih.gov/10445529/

Opinion Paper 2020
https://pubmed.ncbi.nlm.nih.gov/34602892/ (lifestyle section)
https://researchinformation.amsterdamumc.org/en/publications/esnmanms-consensus-paper-diagnosis-and-management-of-refractory-g (page 13, statement 29)

Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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More data about TheLeft-SleepPositionalTrainer

Price Free to download
Rating 4.00 based on a single rating
Version 1.0.4
App download size 16.4 MB
Maturity High Maturity

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Changelog of TheLeft-SleepPositionalTrainer

No changelog data

Developer information for Side Sleep Technologies BV

Side Sleep Technologies BV

Address:

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Technologies used by TheLeft-SleepPositionalTrainer

Training Tally icon Training Tally
MAD Training App icon MAD Training App
My Health Tracker App icon My Health Tracker App
WorkUps Workout Tracker icon WorkUps Workout Tracker
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