The patient improved more than once. Sleep restriction had an effect while it was being applied. Stimulus control worked during the month it was sustained. Hygiene improved perceived quality for a time. Each intervention did something. Nothing left a stable imprint.
The clinician recognizes a distinction the adherence record does not capture. The problem is not that the protocol did nothing. The problem is that the learning did not have terrain where it could hold.
That scenario requires separating local efficacy from system reorganization. An intervention can work in its layer and still not modify the layer that determines whether change consolidates.
CBT-I structures behavioral conditions so sleep can be relearned. But when the regulatory axis remains above its resting point, each correct condition enters a system that cannot use it with stability. Riemann and colleagues locate persistent insomnia in neuroendocrine, autonomic and cortical hyperarousal. Vgontzas and colleagues show that the more biologically severe phenotype includes sustained HPA-axis and sympathetic activation.
The limit does not discredit CBT-I. It locates it. The protocol works where it was designed to work. The regulatory layer decides whether the learning can settle.
Walton and colleagues associate regular Transcendental Meditation (TM) practice with lower neuroendocrine activation related to stress, including cortisol. In this context, that evidence is not used as proof of improved sleep. It names a regulatory layer that behavioral protocol does not directly touch. TM does not replace CBT-I. It belongs to the question of whether the system can become available for learning.
Ayurveda adds the language of sequence. Prakriti, agni and nidra allow the clinician to ask which pattern needs anchoring, which needs cooling, and which needs movement before rest. The same intervention may be correct in the abstract and poorly located in a specific body.
The clinician who reads nonconvergence stops asking only for more effort. They ask what layer needed to be read before effort could accumulate.
The clinician who recognizes one of their own patients in this article already has the right clinical question.
The next step is learning to distinguish correct local response from durable regulatory change.
It is not what remains to be completed. It is what formation makes it possible to read the layer that decides whether everything correct can become a result.