South America Sleep Testing Services Market: Will At-Home Kits Finally Close the Diagnostic Gap? As of January 2026, the South America sleep testing services market is identifying as a high-potential zone for decentralized healthcare, driven by a regional surge in metabolic health awareness. With the market reaching a projected valuation of nearly $520 million this year, the 2026 landscape is defined by the massive transition from hospital-based labs to Home Sleep Apnea Testing (HSAT)....