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The right way to sleep.

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

You don’t have a smart watch?

The Left Device

The Left Device is a sleep position training device that trains you to sleep on your left side as often as possible. It tracks your body position while you sleep , then provides a gentle vibration signal once it detects that you are sleeping on your right side.

* Only available in Benelux

You have a smart watch?

The Left App

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.

Why use The Left?

Trains you to sleep on your left side to help eliminate nighttime heartburn symptoms.

Prevent acid reflux at night

The Left tracks your sleeping body position 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 to sleep at least 80% on your left within a week.

Benefits

Latest news

Interview: LEFT Device – Sleep Position Therapy for Acid Reflux

This article is about the LEFT device, which promises to reduce nighttime reflux by conditioning users to avoid sleeping on their right side.

GERD and Sleep

Acid reflux, also known as gastroesophageal reflux, describes a backflow of acid from the stomach into the esophagus.

The History of Positional Therapy

Positional therapy is a behavioral strategy to treat positional sleep apnea.

Acid reflux occurs as a result of sleep position

The Left trains you to sleep on your left side to
help eliminate nighttime heartburn symptoms.

Before

After

The LEFT trains you to sleep on your left side to
help eliminate nighttime heartburn symptoms.

Reviews

5.0

“The Left did in 2 weeks what 4 other sleep app couldn’t do in over 2 years. I wish I found them sooner…The whole process is customized and we only take on a client when we know that we can succeed together.”

4.9

“The Left did in 2 weeks what 4 other sleep app couldn’t do in over 2 years. I wish I found them sooner…”

4.7

The LEFT reflux wearable dervice trains you to sleep on your left side to help eliminate nighttime heartburn symptoms.

5.0