CPAP

CPAP stands for Continuous Positive Airway Pressure, a medical treatment that delivers a steady stream of pressurized air to keep the airways open during sleep. Instead of the airway collapsing during breathing—a problem that occurs in sleep apnea—CPAP maintains a constant air pressure that acts like an invisible splint. Think of it as preventing a tunnel from caving in by maintaining internal pressure. The device consists of a small compressor, tubing, and a mask worn over the nose or mouth during sleep.

CPAP is primarily used in sleep medicine and respiratory care, fields focused on diagnosing and treating breathing disorders during sleep. Sleep apnea affects millions of people worldwide, causing them to stop breathing repeatedly throughout the night, which deprives the brain and body of oxygen. The condition is associated with serious health risks including heart disease, stroke, and cognitive decline. CPAP has become the gold-standard non-surgical treatment because it's effective, non-invasive, and can be adjusted to meet individual patient needs.

The mechanism is straightforward: a motor in the CPAP device compresses room air and delivers it through tubing to a fitted mask, creating positive pressure that physically splints open the upper airway. This constant pressure—typically between 5 and 25 centimeters of water pressure—prevents the soft tissues in the throat from collapsing inward during the relaxation that occurs during sleep. Without this pressure support, the airway narrows or closes completely, triggering brief awakenings and oxygen drops that fragment sleep and strain the cardiovascular system.

CPAP therapy is transformative for patient outcomes, dramatically improving sleep quality, daytime alertness, and long-term cardiovascular health in people with sleep apnea. As sleep medicine gains recognition for its critical role in overall health, CPAP remains central to both clinical practice and ongoing research into better mask designs, quieter machines, and improved patient compliance technologies.