Herbie Murray
Sleep studies are diagnostic tests that monitor your sleep patterns and movements to determine a diagnosis for sleep-related conditions. They are usually conducted overnight in a private room, with sensors and wires attached to your body to monitor your breathing, brain waves, oxygen saturation, pulse, and leg movements. A video camera will also record your sleep study, and you may be asked to change sleeping positions during the study. While there is no explicit information on phone usage during a sleep study, it is recommended to bring items that are part of your bedtime routine, such as reading material, pajamas, and other comfort items.
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What You'll Learn
Sleep studies are usually overnight, but can be during the day
Sleep studies are typically conducted overnight, but they can also be performed during the day for people who work night shifts. Sleep studies are diagnostic tests that involve recording multiple systems in the body while a person sleeps, including brain activity, heart function, and breathing. The test is used to help diagnose and treat sleep disorders such as sleep apnea, restless leg syndrome, and narcolepsy.
Sleep labs, or clinics, are designed to be as comfortable and homey as possible, often with regular bedroom furniture, a television, and a private bathroom. The rooms are monitored throughout the night by a technician in a nearby room, who records brain activity and selected information from the body. Before the study, a technician will apply small sensors to the patient's head and body with adhesive, and elastic belts may be wrapped around the chest and abdomen to measure breathing.
During the day of the study, it is recommended to avoid caffeine and alcohol, as these substances can interfere with sleep. It is also important to follow your regular diet and daily routine, and to bring any necessary items such as medications, comfortable pajamas, and something to read. If you usually take naps during the day, it is recommended to avoid doing so before the sleep study.
While most sleep studies take place at night, daytime sleep studies are also conducted, especially for individuals who work night shifts and sleep during the day. Daytime sleep studies are often preceded by an overnight sleep study and involve similar sensors on the scalp and face, though they typically do not include sensors for monitoring breathing. There are two main types of daytime sleep studies: the MSLT, which measures the ability to fall asleep, and the MWT, which measures the ability to stay awake under sleep-inducing circumstances.
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You'll be monitored by video and sensors
During a sleep study, you will be monitored by video and sensors to record multiple systems in your body while you sleep. Sleep studies are diagnostic tests that are used to diagnose or rule out health issues, particularly those that affect or disrupt your brain, nervous system, breathing and heart function.
Before you go to sleep, staff will attach the sensors to your body and ask you to perform simple tasks, such as moving your eyes, opening and closing your mouth, and moving your legs, to ensure that the sensors are working and calibrated correctly. The sensors are designed to be unobtrusive, with wires that are long enough to allow you to move comfortably in bed. However, if you need to get up during the night, a staff member may need to assist you in unplugging the wires, and they will also help you if any sensors come loose while you are sleeping.
The sensors used during a sleep study include electrocardiography (EKG or ECG), which is a single sensor placed on your chest to monitor the electrical activity of your heart. Electromyogram (EMG) sensors are attached to your skin, usually on your face and leg, to track muscle movement, and electro-oculography (EOG) involves placing four adhesive sensors around each eye to detect eye movement. Breathing sensors are also used, which include sensors that detect air movement through your mouth and nose, as well as sensors on your abdomen and chest to measure the rise and fall of your chest as you breathe.
Cameras are also used during a sleep study to record what is happening, allowing providers to compare the video footage to the readings from the sensors. This means that unless there is a specific reason for a staff member to observe you through the camera, they are unlikely to be watching you.
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You'll have a private room, sometimes with a TV
Sleep studies are diagnostic tests that involve recording multiple systems in your body while you sleep. They are usually recommended when you exhibit symptoms of conditions that affect sleep, such as sleep apnea, narcolepsy, or restless leg syndrome, to determine the appropriate treatment. Sleep studies are very common, with over 800,000 people on Medicare having undergone one in 2014.
During a sleep study, you will have your own private room, which is usually set up like a hotel room in a quiet area of the hospital. The room will be more private than a typical hospital room and will have a separate bathroom and shower. You can bring your own bedtime items, such as pyjamas, a robe, slippers, and reading material. You can also bring your own pillow and comforter if you have preferences or sensitivities.
Each room is equipped with a television, which you can use before the sleep study begins. You can relax and watch TV or read a book to help you unwind and prepare for the study. The room also has its own thermostat, which can be adjusted according to your preference.
Once you are ready to sleep, a technologist will connect sensors to various parts of your body to monitor your sleep. These sensors may include electrocardiography (EKG or ECG) to monitor heart activity, electromyography (EMG) to track muscle movement, and electro-oculography (EOG) to detect eye activity. The sensors are mostly adhesive, but some may require tape for attachment, so be sure to inform staff if you have sensitive skin or adhesive allergies. The technologist will monitor you from a nearby control room, and a video camera will record your sleep.
While you sleep, the technologist may enter the room and ask you to change sleeping positions to observe any symptom variations. They may also wake you up to fix or replace sensors that come loose or fall off. You can also wake up to use the bathroom, but whether you need assistance depends on the lab's equipment, policies, and room layout.
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Bring your PJs, toiletries, and any bedtime items
If you have a sleep study scheduled, there are several things you will need to bring with you. Most sleep studies last about 10 hours, but the length of time may vary, so be sure to bring enough supplies to last through the duration of your appointment.
Firstly, you will need to bring your PJs or bed clothes. Wear something loose and comfortable, such as gym shorts and a t-shirt, sweatpants and a t-shirt, or pajamas. Nightgowns and nudity are not permitted. You will also need to bring a change of clothes for the next day.
Secondly, bring your toiletries. This includes a toothbrush, toothpaste, floss, makeup remover, shampoo, hairbrush, and any other personal toiletries you may need. You will have access to a full bathroom and shower, and washcloths and towels will be available upon your arrival. You will need to wash your hair with shampoo only and dry it before you arrive for your sleep study. Do not apply any hair sprays, oils, gels, or lotions as these could interfere with the sensors during the study.
Thirdly, bring any bedtime items that you use to help you sleep. This includes any sleep aids you use, CPAP or other breathing machines and masks, and your own pillow, although pillows are provided. You may also want to bring snacks and entertainment, such as things to work on or something to keep you occupied between naps.
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Results are usually available within a few days
Sleep studies are diagnostic tests that monitor and record multiple body systems while you sleep, including brain activity, eye movement, heart function, and breathing. These studies are typically recommended when individuals experience symptoms of conditions that affect their sleep quality. The results from a sleep study can help healthcare providers diagnose sleep disorders such as sleep apnea, narcolepsy, restless leg syndrome, and more.
After completing a sleep study, the results are usually available within a few days to a couple of weeks. However, the timing can vary depending on the facility and the type of sleep study conducted. In-lab polysomnography results may take up to 2 to 3 months due to the severity of the conditions being evaluated. On the other hand, home sleep studies, which are becoming increasingly popular, can provide faster results.
It is important to note that sleep studies are typically considered valid if an individual sleeps for a total of two hours or more during the study. However, the more data collected, the more useful it becomes for interpretation. In some cases, multiple nights in a sleep lab may be necessary to gather sufficient information or for specific condition requirements.
Once the sleep study data is collected, a physician, such as a pulmonologist or sleep medicine specialist, will interpret the results. They may collaborate with other healthcare providers, such as neurologists or primary care specialists, to review the patient's medical history and ensure coordinated care. The results are typically discussed with the patient, and if necessary, treatment options such as CPAP therapy may be prescribed.
Overall, while the timing can vary, most individuals can expect to receive their sleep study results within a reasonable timeframe, allowing them to gain insights into their sleep health and take appropriate steps toward improving their sleep quality.
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Frequently asked questions
No, you cannot use your phone during a sleep study. Sleep studies are diagnostic tests that monitor your brain, heart, breathing and other bodily functions while you sleep. As you will be connected to various wires and sensors, it is best to avoid distractions like your phone.
Sleep studies are usually conducted overnight in a quiet area of a hospital. Technicians will attach wires and sensors to your body to monitor your sleep patterns, brain waves, oxygen levels, pulse and leg movements. A video camera will also record your sleep.
You should bring your usual bedtime items such as pyjamas, a robe, slippers, and any sleep aids or medications you use. You will also need to bring any relevant paperwork and insurance information.
