The 50-minute hour is not where therapy happens
Ask a therapist what they do, and most people picture the session itself — the conversation, the interventions, the therapeutic relationship unfolding in real time. But the session is only the visible part of the work. The invisible part — documentation, treatment planning, session preparation, client follow-up, and everything that happens in a client's life between appointments — is where clinical outcomes are actually determined.
The research is clear on this. A 2014 meta-analysis published in Psychotherapy Research found that between-session activities are one of the strongest predictors of treatment outcomes, with effect sizes comparable to the therapeutic alliance itself. Clients who engage in structured activities between sessions — homework, journaling, skill practice, mood tracking — show significantly faster symptom reduction and longer-lasting gains than those who don't.
Yet this is precisely the part of clinical care that gets the least support, the least technology, and the least attention.
What therapists actually do between sessions
For every 50-minute session a therapist conducts, there is an estimated 30-45 minutes of associated work that happens outside the therapy room. Multiply that across a caseload of 25 clients per week, and the math gets heavy fast.
Progress notes. Every session requires a clinical note — SOAP, DAP, or narrative format depending on the setting and payer. Practitioner surveys consistently put this at 12-15 minutes per note. At 25 clients per week, that's 5-6 hours spent on notes alone. For early-career therapists still learning documentation standards, it takes longer.
Session preparation. Before each appointment, a therapist needs to review the client's history — prior session notes, treatment plan goals, any between-session communication, assessment results, and recent trends. This takes 10-15 minutes per client when done properly. Most therapists report doing it in less time, which usually means they're doing it from memory rather than from the chart.
Treatment plan updates. Insurance requires periodic treatment plan reviews — typically every 90 days, sometimes more frequently for higher levels of care. Each update involves reassessing goals, documenting progress, adjusting interventions, and ensuring diagnostic alignment. This averages 15-30 minutes per client per review cycle.
Client communication. Between-session check-ins, crisis contacts, coordination with other providers, prior authorizations, and responding to client portal messages. These are unpredictable in volume and often happen outside business hours.
Supervision and consultation. Early-career clinicians need regular supervision (1-2 hours per week minimum). Even experienced therapists participate in peer consultation, case conferences, and continuing education.
Add it all up and the data from our previous analysis holds: roughly 35% of a therapist's working hours go to administrative and documentation tasks. That's 14 hours per week in a standard 40-hour work week — time spent typing instead of treating.
The documentation burden is a clinical problem, not just an administrative one
It's tempting to frame documentation as mere paperwork — an annoyance, a compliance requirement, a box to check. But the downstream effects are clinical.
Documentation fatigue degrades note quality. When a therapist is writing their 20th progress note of the week at 9 PM, the clinical detail suffers. Notes become templated, vague, or copy-pasted. Important observations get lost. Treatment plans become stale. The clinical record — the single source of truth for a client's care — becomes less useful over time.
Preparation shortcuts affect session quality. When therapists don't have time to properly review a client's history before a session, they rely on memory. Memory is unreliable. A therapist seeing 25 clients per week is holding an enormous amount of clinical information in their head. Details blur between clients. Important threads from two sessions ago get dropped. The client notices — and the therapeutic relationship suffers.
Burnout from documentation drives attrition. We've documented the burnout crisis extensively: 52% of therapists reported burnout in the past 12 months (SimplePractice, 2023), and 93% of behavioral health professionals have experienced burnout at some point (National Council for Mental Wellbeing / Harris Poll, 2023). When asked what contributes most to burnout, documentation and administrative burden consistently rank in the top three — alongside caseload size and emotional demands of the work.
The therapist shortage is approximately 250,000 clinicians deep, as we detailed in our shortage analysis. We cannot afford to lose the therapists we have to paperwork.
What clients experience between sessions
The other side of the between-session gap is the client's experience. A therapy session is intense, condensed, and emotionally activating. Then the client walks out the door and returns to their life — often without structure, support, or tools to maintain the momentum.
The forgetting curve is steep. Research on memory and psychoeducation suggests that clients forget a significant portion of session content within days. A study by Levy and colleagues found that clients recalled only about 50% of therapist recommendations even immediately after sessions, and retention decreased further over time. By the next session — typically one or two weeks later — much of the specific content has faded.
Homework completion rates are low — but transformative when they're high. Between-session assignments (cognitive restructuring exercises, behavioral activation tasks, exposure hierarchies, journaling prompts) are a core component of evidence-based treatments like CBT, DBT, and ACT. A meta-analysis by Mausbach and colleagues (2010) published in Clinical Psychology Review found that homework compliance was significantly associated with better treatment outcomes, with a weighted effect size of d = 0.36. Clients who consistently completed between-session assignments showed meaningfully faster improvement.
Yet compliance rates are often below 50%. The reasons are predictable: clients forget what was assigned, don't understand the rationale, lose motivation between appointments, or don't have a convenient way to complete and track the work. The assignment lives on a piece of paper that gets lost in a bag, or in a memory that fades by Wednesday.
Mood tracking and self-monitoring improve outcomes. Routine outcome monitoring — where clients track symptoms, mood, or functioning between sessions — has a robust evidence base. Lambert and colleagues demonstrated that providing therapists with client-reported outcome data between sessions reduced treatment failure rates by nearly 50% and shortened treatment duration. The problem has never been whether between-session monitoring works. It's whether clients actually do it consistently — and whether therapists have time to review the data.
The therapeutic relationship doesn't pause between sessions. Clients think about their therapist between appointments. They process what was discussed. They have breakthroughs and setbacks. They want to share something but the next session is eight days away. This is natural and clinically significant. The question is whether there's a structured way to capture these moments — or whether they're lost by the time the next session rolls around.
How technology is changing between-session care
The between-session gap has persisted for decades because the tools didn't exist to bridge it without creating more work for therapists. That's changing.
AI-assisted documentation. The most immediate impact of AI in mental health practice is on documentation time. Tools that generate structured progress notes from session content — SOAP, DAP, or custom formats — are reducing note-writing time from 12-15 minutes to under 3 minutes per session. Organizations adopting AI documentation report 50-70% reductions in documentation time (Eleos Health case studies). For a therapist seeing 25 clients per week, that's 4-5 hours returned to clinical work, self-care, or additional client sessions.
Automated session preparation. Instead of manually reviewing charts before each appointment, therapists can receive AI-generated briefings that surface relevant history: recent session themes, treatment plan progress, client-reported mood data, and clinical flags. What used to take 10-15 minutes of chart review becomes a 60-second scan of the information that matters most.
Structured client engagement between sessions. Digital tools that give clients a way to journal, complete therapeutic exercises, track mood, and reflect on session content — all within a framework their therapist can review — address the homework compliance problem directly. The client has a dedicated space for between-session work. The therapist has visibility into what's happening without playing phone tag or relying on client self-report at the next session.
Continuous outcome monitoring. When clients track symptoms digitally between sessions, therapists gain access to trend data that would be invisible in traditional practice. A client who reports worsening anxiety three days after a session is flagged before the next appointment — not discovered two weeks later when the crisis has already escalated.
Pattern detection across time. AI can identify patterns that are difficult for humans to track manually — correlations between mood and behavior, emerging themes across sessions, treatment plateaus, and risk indicators. This doesn't replace clinical judgment. It augments it with data that no clinician has time to manually compile across a full caseload.
The math that matters
The therapy shortage cannot be solved by training alone. We produce approximately 50,000 mental health graduates per year and lose more than half before they reach full licensure. The existing workforce of roughly 800,000 clinicians is burning out at rates that threaten to outpace new entrants.
But the between-session gap represents an enormous opportunity. If technology can reduce documentation time by even 50%, that unlocks the equivalent of 140,000 full-time therapists worth of clinical hours — without hiring anyone new. If structured between-session engagement improves homework compliance from 50% to even 70%, outcomes improve measurably for millions of clients already in treatment. If automated session prep means therapists walk into every appointment fully briefed instead of working from memory, session quality improves across the board.
The therapy hour matters. But the hours between sessions — for both therapist and client — are where the system either works or breaks down.
Therapy Companion was built to bridge exactly this gap: AI-generated session notes, automated session prep, client engagement tools, and outcome tracking — all in one platform designed for how therapists actually work.
Sources
Between-session activities and outcomes:
- Kazantzis, N., Whittington, C., & Dattilio, F. (2010). Meta-analysis of homework effects in cognitive and behavioral therapy. Clinical Psychology: Science and Practice, 17(2), 144-156.
- Mausbach, B. T., Moore, R., Roesch, S., Cardenas, V., & Patterson, T. L. (2010). The relationship between homework compliance and therapy outcomes: An updated meta-analysis. Cognitive Therapy and Research, 34(5), 429-438.
- Lambert, M. J., Whipple, J. L., & Kleinstauber, M. (2018). Collecting and delivering client feedback. In Bergin and Garfield's Handbook of Psychotherapy and Behavior Change (7th ed.).
Client recall of session content:
- Levy, R. L. (1985). Memory for medical recommendations. In The Social Psychology of Health. Sage Publications.
- McGuire, L. C. (1996). Remembering what the doctor said. Experimental Aging Research, 22(4), 343-357.
Documentation burden:
- SimplePractice: 12-15 min per progress note (practitioner surveys). simplepractice.com
- Eleos Health case studies: 50-70% reduction in documentation time with AI tools. eleos.health
- Building Better Healthcare: 13.5 hours/week average clinical documentation time. buildingbetterhealthcare.com
Burnout and workforce data:
- SimplePractice 2023 State of Therapist Well-Being Report (n=550). 52% burnout in past 12 months. simplepractice.com
- National Council for Mental Wellbeing / Harris Poll (n=750, Feb 2023). 93% have experienced burnout. thenationalcouncil.org
Shortage data:
- SAMHSA 2024 NSDUH. 61.5M adults with mental health condition; 29.5M received zero treatment. samhsa.gov
- HRSA Bureau of Health Workforce. 137M Americans in Mental Health Professional Shortage Areas. bhw.hrsa.gov
This is part of our ongoing series exploring the challenges therapists face and how data-informed solutions can help. Have a topic you'd like us to cover?