Table of Contents
Effects of Mouth Breathing on Sleep
In contrast, mouth breathing often impairs sleep:
· Decreases sleep quality and duration - mouth breathing leads to lighter, disrupted sleep.
· Increases snoring and sleep apnea - mouth breathing can cause airway obstruction and collapse.
· Causes micro-arousals and awakenings - mouth breathing creates turbulent air flow during sleep.
· Reduces time spent in deep sleep - mouth breathing dysregulates sleep stages and cycles.
· Leads to daytime fatigue and sleepiness - mouth breathing results in non-restorative sleep.
Mouth breathing is associated with poor sleep quality and related issues.
Different Devices to Keep Your Mouth Closed While Sleeping
There are a few different devices to keep your mouth closed while sleeping and encourage nasal breathing:
· Nasal strips - adhesive strips that help open the nasal passages.
· Nasal dilators - plastic devices inserted into the nostrils to keep nasal airways open.
· Chin straps - straps worn around the head and chin to keep the jaw closed.
· Mandibular advancement devices - customizable mouth guards that hold the lower jaw forward.
· Tongue retaining devices - suck the tongue forward to prevent it from falling back into the airway.
All of these devices mechanically hold the mouth closed and promote nasal breathing during sleep. They can be effective options for mouth breathers or those with sleep disorders like sleep apnea.
Additional Benefits of Nasal Breathing
Besides improving sleep, nasal breathing offers other advantages:
· Optimizes oxygenation and CO2 levels during the day.
· Lowers blood pressure and heart rate.
· Activates the parasympathetic nervous system, reducing stress.
· Improves exercise capacity and endurance.
· Enhances focus and concentration.
· Facilitates greater oral hygiene and dental health.
· Nasal breathing supports overall physical and mental wellbeing.
Nasal breathing provides many benefits related to sleep quality, health, and daytime performance. If you are a mouth breather, it might be worth trying to make the switch.

















