The time between therapy sessions: what the research says

A person typically sees their therapist for about one hour a week. That leaves another 167 hours — the ordinary evenings, the difficult Tuesdays, the quiet moments late at night. A long-standing view in the field is that much of therapy's progress is shaped in that in-between time, not only in the session itself.

This is an area where clinicians and researchers tend to agree. The hour in the room is where ideas and skills are introduced; daily life is where they're tested and absorbed. Below is a plain-language summary of what the literature and prominent practitioners say about why the time between sessions matters — and the practices therapists most commonly point to.

What the research suggests

Within cognitive and behavioural therapies in particular, "between-session work" has been studied for decades. Reviews of this research generally find that clients who engage with agreed-upon tasks between appointments tend to show greater improvement than those who don't — to the point that many clinicians treat it as a core component of treatment rather than an optional extra.

"Homework is not an optional add-on to cognitive therapy. It is an integral part of the treatment."— Aaron T. Beck, MD, widely regarded as the founder of Cognitive Behavioral Therapy

The reasoning practitioners give is intuitive: a new skill becomes reliable through repetition in the situations that actually call for it. The session plants the idea; the week is where it takes root.

What practitioners commonly point to

The specifics differ by person and by type of therapy, and what's appropriate for one individual may not suit another. With that caveat, several themes appear again and again in how clinicians describe productive between-session time.

Reflecting on the session

A common observation is that insights fade quickly. Many therapists encourage some form of brief reflection soon after a session — what came up, what felt important, what was agreed for the week — as a way of holding onto it before the details blur.

Practising agreed-upon skills

Approaches such as Cognitive Behavioral Therapy (CBT) and Dialectical Behavior Therapy (DBT) are built around skills that are meant to be rehearsed in daily life. Examples that frequently come up in the literature include structured thought records, grounding and breathing exercises, and gradual, planned tasks. The point clinicians stress is that these are tools to be used in real situations, not concepts to understand abstractly.

Noticing patterns

Therapy often involves recognising patterns a person is too close to see — the way a particular situation reliably precedes a dip in mood, for instance. Practitioners frequently describe light, ongoing self-observation (a brief mood note, say) as a way to surface those patterns over time.

Attending to the basics

Foundations such as sleep, movement, nutrition and social connection are widely discussed as influencing mental wellbeing. Many clinicians treat them as part of the work rather than separate from it.

Preparing for the next session

Some practitioners suggest keeping a running note of themes, questions and developments during the week, so that the next appointment can begin where the last one left off rather than reconstructing events from memory.

"Skills training without real-world practice is like reading a book about swimming and never getting in the water."— attributed to Marsha M. Linehan, PhD, creator of Dialectical Behavior Therapy

An important caveat

None of the above is a prescription. What helps a given person depends on their circumstances, their goals and the judgement of the professional they work with. The most reliable source of guidance for any individual is their own therapist or clinician.

The common thread

Across all of it runs a single idea: continuity. In the views summarised here, therapy works best when it isn't confined to a weekly hour but carried through the week — reflected on, practised, and brought back. Sustaining that continuity, many practitioners note, is also the hardest part to manage alone.