This involves placing electrodes on the scalp to measure brain waves. Sleep researchers prefer the use of polysomnography or PSG to study sleep patterns in a laboratory. These include clinical interviews, sleep diaries and polysomnography. There are many methods to evaluate a person’s sleep complaints. How is Sleep Quality Determined in Laboratory Studies? Additionally, user error can occur if the individual forgets to set the tracker to sleep mode. This means that the fitness tracker may be fooled into believing that the individual is getting a good night’s rest when the person may be wide awake and not moving. There is also no way for the tracker to distinguish between a regular sleep and a sensitive sleep mode. They may record the individual who is awake and lying in bed as still asleep, or they may not realise that the individual is active and moving if they have not reset the sleep mode button after getting out of bed. Most wearable fitness trackers that use actigraphy have a high margin of error. Actigraphy is not the most reliable way to track sleep quality or even the time a person is actually asleep. Wearable fitness trackers depend heavily on actigraphy to determine the quality of sleep. How Accurately Can Wearable Fitness Trackers Measure Sleep Quality?
Regardless of this, it is still not the first choice for data collection in serious scientific research because of its wide range of errors. It can provide valuable data about sleep in the natural environment as compared to studies conducted in sleep laboratories. It is used in the evaluation of the circadian rhythm sleep disorders, depression, and dementia. Sleep parameters are established by experts and then specialized algorithms are programmed to make sense of the movements recorded by the tracker based on the sleep parameters.Īctigraphy is used to document multiple sleep latency tests. There may be additional data provided by a gyroscope if it is part of the fitness tracker. How Does Actigraphy Work?Īctigraphy allows the three axis accelerometer on the wearable fitness tracker to record all the movements, big and small, made by the individual. For those suffering from sleep disorders, actigraphy is an easy way to keep track of their wakeful and sleep times during a night. The American Academy of Sleep Medicine established actigraphy as a useful research tool in 1995, but maintained that its clinical usefulness was uncertain. Using the accelerometer to track the speed and direction of motion when asleep to measure sleep quality is known as actigraphy.
This information is then produced as output for the individual to view and make more informed decisions about their fitness regimen. Trends can be established based on the history of the individual’s data available. This is how the individual is able to track the day’s exercise, heart rates, and even sleep patterns.
FITNESS SLEEP TRACKER SOFTWARE
The software uses complex algorithms to sort the data it has received into useful information which will make sense to the user. This happens when the gadget is synced to the smartphone or laptop. This data is then transferred to the smartphone or laptop to which the fitness tracker is linked. The sensors on the tracker keep account of all the input that they receive. Most modern fitness trackers are worn by the individual on the wrist in place of a wristwatch or around the waist. This data is then processed with algorithms to make more sense of the movements.
The majority of them have three axis accelerometers which allow them to monitor just how fast an individual moves in any direction. A number of new fitness trackers that link up to a smartphone or a laptop are available in the market today. Reviewed by Afsaneh Khetrapal, BSc What is a Wearable Fitness Tracker?Ī fitness tracker is a gadget worn around the waist or on the wrist that keeps track of certain body parameters such as motion and heart rate.
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