When the brain does not "turn off the alarm," the body struggles to enter a state of rest. This makes it difficult to fall asleep, leads to light sleep, and causes frequent waking during the night.
Increased muscle tone signals to the nervous system that the body cannot relax. As a result, the body takes longer to enter the deep sleep phase, making falling asleep a slower and less comfortable process.
When the lower jaw or tongue shifts backward, it can obstruct breathing and cause discomfort. This triggers frequent tossing and turning and keeps you in light sleep phases.
Unconscious clenching or grinding of teeth activates the nervous system and disrupts sleep architecture. In the morning, this manifests as fatigue, jaw tension, or the feeling that you haven't slept well.
When airways are partially obstructed, air creates sound as it passes (snoring), and the brain periodically "wakes" the body to restore normal breathing. This leads to fragmented sleep that prevents full recovery.

Supplements can help you fall asleep, but they don't improve sleep depth or recovery. If your body is tense or your breathing is irregular, melatonin won't change that.
Gadgets track sleep duration and cycles, but they cannot change the mechanisms that disrupt your sleep, such as muscle tension, bruxism, snoring, or light sleep.
Meditation, walks, and breathing exercises help reduce anxiety, but they do not affect jaw position, muscle tone, or nighttime breathing.
Going to bed earlier is beneficial, but if you suffer from snoring, bruxism, or muscle tension, a strict schedule won't yield the desired results.
They neutralize symptoms like difficulty falling asleep, anxiety, or chronic fatigue, but they don't address what happens to your body while you sleep.

Complete service cycle for Symmetrica patients in Europe
Aligner treatment monitoring, local adjustments, and support between stages. Communication with the primary doctor.
Quick access without complex logistics. Barcelona as a European hub. High level of service and systematic patient support.
Guaranteed service for Symmetrica patients. Initial assessment and prompt assistance. Available from anywhere in Europe.
European specialists with many years of experience in aesthetic dentistry, cosmetology, and prevention
Contact us to book a consultation or to get more information about the services offered at the Barcelona office.
We'll answer your questions
The device is custom-made to fit your teeth and bite using biocompatible materials designed for long-term contact with oral tissue.
Adaptation depends on individual sensitivity, but it typically takes anywhere from a few nights to 2-3 weeks. After that, the device feels completely natural.
Sleep quality improves by 70-120% within the first month of use. People with bruxism are typically able to stop grinding their teeth at night within 1-3 months. Progress depends on stress levels and other individual factors.
Yes, the design is intended for regular use, as sleep is a daily process.
The device is based on patented Swiss technology that has been researched for over 20 years. Our approach is grounded in international studies on sleep and muscle physiology.The device is based on patented Swiss technology that has been researched for over 20 years. Our approach is grounded in international studies on sleep and muscle physiology.
After each use, simply rinse the device under running water and let it air dry at room temperature.