Phone: (970) 680-4143 Fax: (303) 845-8291

Our Clinicians

Meet our team of sleep specialists dedicated to helping you overcome insomnia.

Meet Our Expert Team

Our clinicians are licensed professionals who specialize in treating insomnia with evidence-based approaches. Each member of our team has undergone specialized training in CBT-I and is committed to helping you achieve better sleep.

Matthew Fuller

Matthew Fuller

LPC, Insomnia specialist

Specialties: Insomnia, Veterans, Substance Abuse, Anxiety

Approaches: Cognitive Behavioral Therapy, Mindfulness, Solutions Focused

Matthew Fuller is a licensed therapist that builds strong therapeutic rapport through nonjudgmental positive regard, incorporating evidence-based modalities including Trauma-Focused Cognitive Behavioral Therapy, Acceptance and Commitment Therapy, and Narrative Therapy to help clients explore their strengths and examine challenges through a self-reflective lens. He has received specialized training in Cognitive Behavioral Therapy for Insomnia (CBT-I), equipping him to address sleep-related concerns alongside commonly co-occurring conditions such as anxiety, depression, PTSD, and chronic pain. Matthew is committed to creating a comfortable, accepting space that invites vulnerability and fosters lasting connection, with many clients choosing to continue their therapeutic relationship with him for years.

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Lindsay Fahey

Lindsay Fahey

LPC, Insomnia specialist

Specialties: Insomnia, Anxiety, Life Transitions, Career and Work Stress

Approaches: Cognitive Behavioral Therapy, Motivational Interviewing, Dialectical Behavior Therapy (DBT)

Lindsay Fahey is a Licensed Professional Counselor in Colorado (LPC) and New York (LMHC) with over a decade of experience across all levels of care, including crisis, inpatient, residential, outpatient, and private practice. She has worked with a wide range of clients, from children and adolescents to adults and those facing end-of-life concerns. Lindsay draws on a variety of evidence-based approaches, including CBT, DBT, EMDR, Emotional Freedom Technique, Motivational Interviewing, and Solution-Focused therapy, and has completed specialized training in Cognitive Behavioral Therapy for Insomnia (CBT-I). She believes her clients are the experts in their own lives, and approaches each session with curiosity, empathy, and patience.

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Lauren Hornbeck

Lauren Hornbeck

LPC, Insomnia specialist

Specialties: Insomnia, Anxiety, Life Transitions, Grief

Approaches: Cognitive Behavioral Therapy, Mindfulness, Coping Skills

Lauren Hornbeck is a behavioral health clinician specializing in the treatment of insomnia and sleep-related concerns. She works with clients across multiple phases of the therapeutic process, including exploring relational patterns, identifying unmet needs, and addressing the balance between passivity and activity. Lauren incorporates evidence-based skills centered on empathy, self-compassion, and nervous system regulation to help clients unlearn unhelpful behaviors and build healthier patterns. She has specialized training in Cognitive Behavioral Therapy for Insomnia (CBT-I), the gold-standard treatment for chronic insomnia. Lauren is passionate about helping clients deepen self-understanding and reconnect the mind and body to break cycles that no longer serve their well-being.

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Cynthia Rehberg

Cynthia Rehberg

LPC, Insomnia specialist

Specialties: Insomnia, Anxiety, Depression, Trauma & PTSD, Veterans

Approaches: Cognitive Behavioral Therapy, Motivational Interviewing, Solutions Focused

Cyndy Rehberg is a cognitive-behavioral therapist who brings deep curiosity about the mind and a collaborative, strengths-based approach to her work with clients. She specializes in supporting individuals navigating anxiety, depression, trauma, life transitions, and adjustment concerns, and has a particular passion for working with military and veteran populations, injured athletes, and women in perimenopause. Cyndy has completed specialized training in Cognitive Behavioral Therapy for Insomnia (CBT-I), equipping her with evidence-based tools to address the thoughts, behaviors, and patterns that interfere with restorative sleep. Grounded in the belief that clients possess a profound capacity for growth and healing, she works collaboratively to uncover strengths, identify actionable strategies, and create lasting, meaningful change — helping clients move from simply receiving life to actively shaping it.

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Tristen Vieaux

Tristen Vieaux

LPC, Insomnia specialist

Specialties: Insomnia, Anxiety, Career and Work Stress, Life Transitions

Approaches: Cognitive Behavioral Therapy, Mindfulness, Coping Skills

Tristen Vieaux is a Licensed Professional Counselor (LPC) and Nationally Certified Counselor (NCC) with a Master's degree in Community Counseling from Northern Arizona University and nearly two decades of clinical experience. She has completed specialized training in Cognitive Behavioral Therapy for Insomnia (CBT-I) and is a Level II EMDR therapist. Tristen takes a trauma-informed, integrative approach — working with the whole person, mind, body, and spirit — to help clients find their voice, heal old wounds, and build new patterns of relating. She works with individuals, couples, and families navigating anxiety, life transitions, and emotional exhaustion, guiding clients through difficult terrain with empathy, structure, and clarity.

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David Youngs

David Youngs

LPC, Insomnia specialist

Specialties: Insomnia, Anger, Anxiety, Depression, Trauma & PTSD

Approaches: Cognitive Behavioral Therapy, Solutions Focused, Motivational Interviewing

David Youngs is a licensed psychotherapist with over 15 years of experience working with individual adults. He believes that anxiety and depression are often normal responses to life's difficulties, and that no one is permanently stuck. People can develop new ways of living that reduce pain, foster safer and more loving relationships, and create greater meaning and purpose. His areas of focus include mood, stress, and trauma disorders such as depression, anxiety, and PTSD, as well as personality disorders and existential concerns. Having worked alongside psychiatrists in a mental health agency, he is comfortable supporting clients who take or are considering psychotropic medications. He has also completed specialized training in Cognitive Behavioral Therapy for Insomnia (CBT-I). David brings warmth and genuine passion to this work.

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Trevor Gates-Crandall

Trevor Gates-Crandall, LCSW

Licensed Clinical Social Worker, Insomnia specialist

Specialties: Insomnia, Life Transitions

Approaches: Solution-Focused Brief Therapy, Cognitive Behavioral Therapy, Dialectical Behavior Therapy

Dr. Trevor Gates-Crandall is a clinical social worker who helps clients navigate life transitions and challenges through a collaborative, empathetic, and non-judgmental approach. He focuses on building strong therapeutic relationships where clients can explore how thoughts and emotions influence behavior and move toward feeling more empowered and in control. Dr. Gates-Crandall primarily uses Solution-Focused Brief Therapy (SFBT) within a person-centered, strength-based framework, integrating principles from Cognitive Behavioral Therapy (CBT) and Dialectical Behavior Therapy (DBT). He also has experience in Cognitive Behavioral Therapy for Insomnia (CBT-I), using evidence-based strategies to support improved sleep and overall well-being.

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Angie Fouts-Hyatt

Angie Fouts-Hyatt, LPC

Licensed Professional Counselor, Insomnia specialist

Specialties: Insomnia, Anxiety, Trauma and PTSD, Women's issues, Grief

Approaches: Cognitive Behavioral Therapy, Mindfulness, Life Transitions

Angie Fouts-Hyatt understands that beginning therapy takes courage, and she offers a warm, compassionate space for individuals to explore their unique stories. Trained in Cognitive Behavioral Therapy for Insomnia (CBT-I), she especially enjoys helping clients address sleep challenges and find practical, sustainable relief from insomnia. Angie believes meaningful growth often comes not from dramatic change, but from thoughtful shifts in perspective and patterns of thinking that lead to powerful results over time. With deep respect for each person's goals and experiences, she collaborates to create practical, personalized plans that support both emotional well-being and everyday life. She holds every client's hopes and dreams as valid, and is committed to walking alongside them with dignity, encouragement, and clarity. Knowing that the first step is often the hardest, Angie invites people to try a session, see how it feels, and trust themselves in the process.

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Tasha Lawson

Tasha Lawson

LPC, Insomnia specialist

Specialties: Insomnia, Anxiety, Trauma & PTSD, Family & Relationships

Approaches: Cognitive Behavioral Therapy, Mindfulness, Life Transitions

Tasha Lawson is a licensed therapist with specialized training in Cognitive Behavioral Therapy for Insomnia (CBT-I), the gold-standard, evidence-based treatment for chronic sleep difficulties. She works with clients who are ready to address the underlying thoughts, behaviors, and patterns that interfere with restorative sleep. Whether sleep struggles are rooted in stress, anxiety, trauma, or life transitions, Tasha provides a structured, compassionate approach to help clients build lasting habits and reclaim the rest they need to truly thrive.

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Dоnnа Xia

Dоnnа Xia

PhD & Founding Partner

Dоnnа is a founding partner of this sleep center. She is excited to help make CBT-I accessible to those with chronic insomnia.

Ready to Work With Our Team?

Schedule your initial consultation and take the first step toward better sleep.

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