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. 2016 Jun 20;9(4):272–279. doi: 10.1016/j.slsci.2016.05.004

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© 2016 Brazilian Association of Sleep. Production and Hosting by Elsevier B.V.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 3. — Sleep onset, total sleep time and sleep efficiency analysis. Top panel: Correlation curves for Micro-Mini Motionlogger (MM), Act Trust (CAT) and Misfit Flash(MF) devices. Sleep onset exhibited very good correlation for all the devices. Middle panel: Correlation curves for Micro-Mini Motionlogger (MM), Act Trust (CAT) and Misfit Flash (MF) devices for total sleep time evidenced very good correlation for all the devices. Bottom panel: Correlation curve for Micro-Mini Motionlogger (MM) and Act Trust (CAT) devices. Sleep efficiency estimates indicated a low correlation between the different devices. Graph insets indicate Pearson's r correlation values and p bilateral significance values (r and p respectively).