Sensors called anodes are set on your head, face, chest area, hands, and a finger. While you sleep, these sensors record your mind action, eyes, heart rate and beat, pulse, and the measure oxygen in your blood.

Flexible belts are put around your chest area. They measure your breathing, mainly how deep and relaxed they are.

Wires joined to the sensors transmit the information to a computer in another room. The wires are slim and adaptable. They are packaged together so they don’t limit development, disturb your sleep, or cause other uneasiness.

The picture demonstrates the standard setup for a polysomnogram. In figure A, the patient lies in a bed with sensors connected to the body. In figure B, the polysomnogram recording demonstrates the blood oxygen level, breathing and quick eye development (REM) sleep stage after some time.

If you have indications of sleep apnea, you may have a part night sleep study. Amid the principal half of the night, the specialist records your sleep designs. Later, he or she wakes you to fit a CPAP cover over your nose or mouth.

This little machine tenderly blows air through the cover. This machine helps you keep your airways open when sleeping.

The expert checks how you sleep with the CPAP machine. He or she changes the stream of air through the cover to discover the best setting for you.