The Desktop Sleep Diagnostic Equipment segmentation by type distinguishes three principal product families that collectively define the market’s revenue base. First, full‑scale polysomnography (PSG) workstations integrate multichannel EEG, EOG, EMG, respiratory flow, and oximetry sensors, targeting tertiary hospitals and sleep‑medicine centers; they command the largest share, roughly 55 % of total sales, because of their diagnostic breadth and reimbursement advantages. Second, dedicated home‑sleep‑test (HST) desktop adapters provide a reduced sensor set—typically airflow, oximetry, and respiratory effort—optimized for outpatient clinics and ambulatory care; they account for about 30 % of the market, reflecting growing demand for cost‑effective, point‑of‑care screening. Third, hybrid platforms combine PSG‑level signal fidelity with modular HST accessories, enabling seamless transition between in‑clinic and at‑home use; this niche contributes approximately 15 % of revenue and is expanding as providers seek flexible workflows. By isolating these type categories, analysts can trace how technology adoption, reimbursement policies, and clinical guidelines drive the overall Desktop Sleep Diagnostic Equipment market size.