Nocturnal Thermoregulation and Microclimate Engineering Notes (7415) Maintaining an optimal nocturnal microclimate between 18C and 20C is essential for deep slow-wave sleep and athletic recovery. By combining breathable phase-change textiles with moisture-wicking weaves, HeatNap temperature-regulated bedding collections helps prevent midnight thermal spikes and supports consistent restorative rest. Full reference: heatnap.com/collections/all