What is a sleep test or polysomnography?

**Polysomnography**, also known as **sleep test**, is a test used to diagnose sleep disorders....Polysomnography records your brain waves, blood oxygen levels, heart rate, eye movements, and breathing while you sleep....Sleep study may be done in a sleep disorder clinic or hospital....Is this test usually done at night?....Sleep study, formally known as polysomnography. Known as a somnogram, it is a diagnostic test that tracks and records how several body systems function during sleep. This test includes sensors that track the activity of several body systems, including the heart, brain, and respiratory system, and provides a comprehensive view of the quality of your sleep. Sometimes you may be able to perform a sleep test at home. Chest and abdomen....

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What diseases are sleep tests used to diagnose?. Diseases that can be diagnosed using a sleep study include: - Sleep apnea (obstructive and central) - Narcolepsy or sleep attack - Periodic limb movement disorder (including restless legs syndrome) - Insomnia - Certain types of seizures and epilepsy - Night terrors (also known as sleep terrors) - Nocturnal panic attacks - Sleep walking or other behavioral disorders during sleep - Sleep paralysis When is the sleep test done? Most sleep studies are done during normal sleep hours... Since most people sleep during the night, centers that conduct sleep studies (known as sleep labs) also operate during the night.... During the sleep test, several different sensors are used to check the quality of sleep... Each of these sensors is responsible for tracking a specific state or process in the body.. The most important sensors and monitoring methods used in sleep study include the following: - Electroencephalography (EEG) - ECG or electrocardiography (ECG or EKG) - Nerve and muscle tape or electromyogram (EMG) - electrooculography (EOG) - Breathing sensors - Belt of Respiration Induced Plethysmography (RIP) - Pulse oximeter - Video and audio monitoring ### brain tape or electroencephalography (EEG) An EEG test is a non-invasive neuroimaging technique that measures and records the electrical activity produced by neurons in the brain. Electroencephalography consists of sensors with an adhesive, electrically conductive coating that is placed on the scalp and detects and records the brain's electrical activity, called brain waves. ### EKG or Electrocardiography (EKGEC) An electrocardiogram is a diagnostic tool used to measure and record the electrical activity of the heart. During an electrocardiogram test, electrodes are placed on the surface of the skin (usually on the chest, arms, and legs) that are capable of receiving electrical impulses that coordinate the heart's rhythm and contractions... Electromyogram (EMG) Electromyography (EMG) is a diagnostic technique that measures and records the electrical activity of muscles and the nerves that control them.. This method plays a fundamental role in understanding neuromuscular function.. Are you studying?

### Electroecholography (EOG) Electrooculography (EOG) is a specialized technique used to measure and record electrical activity caused by eye movements... This non-invasive method involves placing electrodes around the eyes to record potential differences caused by eye movement and position. Respiratory sensors are smart devices that record a wide range of information related to the functioning of the respiratory system. These sensors usually include sensors that detect air movement through the mouth and nose and Changes in breathing volume and intensity are responsible for respiratory pressure, respiratory pressure, respiratory pressure reduction, breathing intensity, respiratory pressure, breathing intensity, respiratory pressure reduction. Belt plethysmography (RIP) is a breathing measurement device that uses the principles of chest volume changes to display breathing dynamics.. This belt is usually placed as a flexible band or strap around the chest and measures changes in the current size of the chest. While the appearance of the belt changes, information about breathing and diaphragm movements is recorded. The pulse oximeter device is used to measure the blood oxygen saturation... This device includes a small adhesive sensor that sticks to the tip of the index finger and measures the pulse and blood oxygen... ### Video and audio monitoring During the sleep test, the patient's images and voice are recorded. Video and audio monitoring allows sleep lab staff and professionals to see and hear what happens during sleep. The sleep test does not have any special complications.. There is only the possibility that the person is allergic to the adhesive or tapes used during the test.. Another common side effect of the sleep test is that people do not sleep well or long because of being in a new place.. There may be other possible side effects, but these side effects are rare and vary from person to person.