{% load duration %}

<div class="card card-dashboard card-averages">
    <div class="card-header">
         <i class="icon icon-graph pull-left" aria-hidden="true"></i>
        Averages
    </div>
    <div class="card-body">
        <div class="container">
            <div class="row no-gutters text-center">
                <div class="col-6 col-xl-3">
                    <div class="text-muted">Time asleep</div>
                    {% if sleep.average %}
                        {{ sleep.average|duration_string:'m' }}
                    {% else %}
                        <em>Not enough data</em>
                    {% endif %}
                </div>
                <div class="col-6 col-xl-3">
                    <div class="text-muted">Time awake</div>
                    {% if sleep.btwn_average %}
                        {{ sleep.btwn_average|duration_string:'m' }}
                    {% else %}
                        <em>Not enough data</em>
                    {% endif %}
                </div>
                <div class="col-6 col-xl-3">
                    <div class="text-muted">Change freq.</div>
                    {% if changes.btwn_average %}
                        {{ changes.btwn_average|duration_string:'m' }}
                    {% else %}
                        <em>Not enough data</em>
                    {% endif %}
                </div>
                <div class="col-6 col-xl-3">
                    <div class="text-muted">Feeding freq.</div>
                    {% if feedings.btwn_average %}
                        {{ feedings.btwn_average|duration_string:'m' }}
                    {% else %}
                        <em>Not enough data</em>
                    {% endif %}
                </div>
            </div>
        </div>
    </div>
</div>