How do I stop grinding my teeth in my sleep?

Part of Sleep & Dreams cluster.

Short Answer

Stop sleep bruxism by interrupting the nervous system’s threat response. Use a custom dental guard to protect your enamel, establish a consistent wind-down routine, practice daytime jaw release exercises, and address underlying stress or trauma with a qualified clinician. Consistency rewires the pattern.

What This Means

Sleep bruxism is not merely a dental nuisance; it is your body’s somatic language. When you grind your teeth at night, you are physically metabolizing unprocessed tension. The jaw is a primary reservoir for suppressed emotion, vigilance, and chronic stress. During sleep, your conscious guard drops, allowing the autonomic nervous system to discharge accumulated survival energy through involuntary clenching. This means the solution requires more than a mouthpiece.

You must address the physiological state that demands release. Treat the symptom to protect your teeth, but treat the nervous system to stop the cycle. Your body is not failing you; it is attempting to survive an environment it still perceives as unsafe. Recognizing this shifts the work from suppression to regulation. You reclaim agency by teaching your physiology that the war is over.

Why This Happens

Polyvagal Theory explains bruxism as a neurobiological survival strategy. According to Stephen Porges, your autonomic nervous system constantly scans for safety. When chronic stress or trauma keeps you in sympathetic mobilization or dorsal shutdown, the body remains braced for threat. Sleep does not instantly reset this baseline.

Instead, the jaw muscles contract to discharge trapped survival energy. Bessel van der Kolk notes that trauma lives in the body, often bypassing conscious awareness to manifest as chronic tension, sleep disruption, and involuntary motor patterns. Your nervous system is stuck in a defensive loop, mistaking rest for vulnerability. The grinding is not a malfunction; it is an outdated survival reflex. Until your physiology registers genuine safety, the brain will continue to armor the jaw during unconscious hours.

What Can Help

• Custom-fitted occlusal guard to prevent enamel damage
• Diaphragmatic breathing with extended exhales before bed
• Progressive muscle relaxation focusing on jaw, neck, and shoulders
• Daytime somatic tracking to interrupt clenching habits
• Cognitive-behavioral therapy for insomnia or trauma processing

When to Seek Support

Seek professional intervention if you experience persistent jaw pain, clicking, or limited opening; cracked teeth or severe enamel wear; morning headaches or ear pain; or disrupted sleep that impairs daily function. If grinding coincides with flashbacks, hypervigilance, or emotional dysregulation, trauma-informed care is essential.

Do not wait until structural damage occurs. Early intervention preserves your health and accelerates recovery.

Robert Greene

Author, Founder, Navy Veteran & Trauma Survivor

Robert Greene is a writer and strategist focused on human behavior, relationships, and personal development. Drawing from lived experience, global travel, and diverse perspectives, he explores the patterns driving how people think, connect, and self-sabotage. His work challenges conventional narratives around mental health, modern relationships, and personal growth. Because awareness is where real change begins.