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World J Otorhinolaryngol Head Neck Surg. 2016 Mar 5;2(1):45-49. doi: 10.1016/j.wjorl.2016.02.001. eCollection 2016 Mar.

Overview of smartphone applications for sleep analysis.

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Medical University of South Carolina, Department of Otolaryngology - Head and Neck Surgery, Charleston, SC, USA.



To review and assess the current selection of sleep analysis smartphone applications (apps) available for download.


The iOS and Google Play mobile app store were searched for sleep analysis apps targeted for consumer use. Alarm clock, sleep-aid, snoring and sleep-talking recorder, fitness tracker apps, and apps geared towards health professionals were excluded. App information and features were obtained from in-store descriptions, and the app developer website.


A total of 51 unique sleep apps in both iOS and Google Play stores were included. The apps were rated 3.8/5 in both stores, and had an average price of $1.12 in the iOS store and $0.58 in the Google Play store. >65% of sleep apps report on sleep structure, including duration, time awake, and time in light/deep sleep, while reporting of REM was limited. The availability of extra features was variable, ranging from 4% to 73% of apps.


There are a variety of sleep analysis apps with a range of functionality. The apps with the most reviews from the each store are featured. Many apps provide data on sleep structure; however the algorithms are not validated by scientific literature or studies. Since patients may inquire about their sleep habits from these apps, it is necessary for physicians to be aware of the most common apps and the features offered and their limitations in order to properly counsel patients.


Actigraphy; Apps; Mobile applications; Sleep monitor; Smartphone

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