Overheating during sleep disrupts deep REM cycles and causes frequent nocturnal awakenings. This guide cuts through marketing buzzwords like 'cooling gel' to analyze the real physics of thermal dissipation, moisture wicking, and open airflow.
For decades, doctors erroneously recommended sleeping on rock-hard mattresses for back pain. Modern orthopedic research proves that medium-firm zoned mattresses with active lumbar support provide superior spinal decompression and faster pain relief.