Ipamorelin is a selective ghrelin-receptor agonist — it produces a clean pulsatile GH release. That the GH rises is real; that it improves sleep or recovery meaningfully is largely anecdotal.
With limited or no human safety data for this combination, there is no established marker set to monitor against — which is a reason for more caution, not less. Baseline bloods and a clinician conversation matter here. General information, not medical advice.