="../articles/chapter9_SleepFundamentalsGuiders.html">9. Sleep Fundamentals - Guiding Sleep Detection</a></li>
    <li><a class="dropdown-item" href="../articles/chapter10_SleepAnalysis.html">10. Sleep Analysis</a></li>
    <li><a class="dropdown-item" href="../articles/chapter11_DescribingDataCutPoints.html">11. Physical Activity Fundamentals - Describing the data with cut-points</a></li>
    <li><a class="dropdown-item" href="../articles/chapter12_TimeUseAnalysis.html">12. Time-Use Analysis</a></li>
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