Why Length of Stay Matters in Residential Treatment

When individuals and families begin searching for residential treatment for substance use problems or mental health challenges, one of their first questions  is how long they should expect treatment or rehab to last. What will it take to address alcoholism, addiction, depression, or anxiety in a meaningful and lasting way?

The standard answer is often 30 days, but research suggests that this is rarely enough for optimal results. For those who have the resources to stay longer—typically 45 to 90 days—outcomes are significantly improved. In a landmark study, “Setting the Standard for Recovery,” by DuPont, McLellan, and colleagues,  the research found that longer lengths of stay, particularly when combined with strong support systems, are associated with dramatically lower relapse rates and more durable recovery.

At Borden Cottage, we approach treatment with the understanding that recovery is deeply personal and unfolds over time. Mental health challenges and substance use disorders do not develop overnight, and meaningful healing does not occur on a short time schedule. For this reason, we ask residents to commit to at least 45 days of residential care. We also recognize that many individuals, especially those with significant trauma histories or other complicating factors, benefit from longer lengths of stay. We also make it easier for busy professionals and others to step away from their in-person responsibilities.

Addiction and alcoholism are complex conditions shaped by neurobiology, life experience, stress, trauma, genetics, and ineffective coping strategies. Over time, substances often become intertwined with how a person manages emotions, relationships, and daily life. It is also common for substance use problems to coexist with anxiety, depression, trauma-related disorders, or other mental health conditions, each influencing and reinforcing the other.

Because these challenges tend to develop gradually, it is unrealistic to expect them to resolve fully in a short period of time. In the early phase of residential treatment, the medical and clinical focus is on stabilization. This includes restoring physical health, addressing detox needs when present, improving sleep and nutrition, and allowing the nervous system to reset. Only after this foundation is in place can new skills develop and deeper therapeutic work begin.

Extending residential treatment allows the clinical team to move beyond crisis management and into meaningful therapeutic work. With additional time, residents can begin to recognize long-standing patterns in their thinking, emotional responses, and relationships. These patterns are often subtle, deeply ingrained, and resistant to quick solutions, requiring time and practice to change.

Longer treatment also creates space to address trauma and co-occurring mental health disorders in a thoughtful and integrated way. Trauma-informed work, in particular, requires trust and careful pacing. When people are given enough time, they can develop emotional tolerance, grounding skills, and insight without feeling overwhelmed or rushed.

Research consistently shows that longer engagement in treatment is associated with better outcomes. Individuals who remain in residential care longer tend to have lower relapse rates, improved psychological functioning, and stronger engagement in continuing care after discharge. Time in treatment supports not only sobriety, but also the broader stability needed for recovery to endure.

At Borden Cottage, our 45-day commitment reflects both clinical evidence and years of experience. It allows residents to move beyond early stabilization and engage more fully in the therapeutic process. Many residents choose to stay 90 days, particularly when there is a history of significant trauma, co-occurring disorders, or repeated relapse. In these cases, additional time allows for deeper and more challenging work and greater readiness for life beyond residential care.

Residential treatment is one important part of a longer recovery journey. Long-term stability depends on continued engagement in care and connection after discharge. For individuals recovering from addiction, participation in 12-Step programs and other peer support communities provides lifelong support at no cost. These groups offer structure, accountability, and a sense of belonging that extends well beyond formal treatment.

Choosing to stay longer in residential treatment is ultimately an investment in stability, better outcomes, and well-being. Recovery is not a race to discharge, but a process of learning how to live differently, with greater clarity, connection, and resilience. When people are given the time they need, treatment becomes not just a pause from maladaptive behaviors, but a foundation for lasting happiness.

––Jeff Jay, BS, CADC, President & CEO

Sources:

DuPont, R. L., McLellan, A. T., White, W., Merlo, L. J., & Gold, M. S. (2009). Setting the standard for recovery: Physicians’ Health Programs. Journal of Substance Abuse Treatment, 36(2), 159–171. 🔗 https://pubmed.ncbi.nlm.nih.gov/19161896/