lass="value" id="max-rate">-- BPM</div>
          </div>
        </div>
      </div>
      <div>
        <div class="graph-title">Last 3 Hours</div>
        <div class="graph-container">
          <canvas id="hourlyHeartRateChart"></canvas>
        </div>
      </div>
      <br />
      <div>
        <div class="graph-title">Last 48 Hours</div>
        <div class="graph-container">
          <canvas id="heartRateChart"></canvas>
        </div>
      </div>
    </div>

    <script>
      let currentHeartRate