Gadgetbridge/app/src/main/res/layout-land/fragment_sleepchart.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="nodomain.freeyourgadget.gadgetbridge.activities.charts.ChartsActivity$PlaceholderFragment">


    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <TextView
            android:id="@+id/sleepchart_info"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:layout_weight="90" />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="10"
            android:orientation="horizontal">

            <com.github.mikephil.charting.charts.PieChart
                android:id="@+id/sleepchart_pie_light_deep"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_weight="40" />

            <com.github.mikephil.charting.charts.LineChart
                android:id="@+id/sleepchart"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_weight="20" />
        </LinearLayout>


        <!--<TextView-->
        <!--android:text="Test"-->
        <!--android:layout_width="fill_parent"-->
        <!--android:layout_height="fill_parent"-->
        <!--android:layout_weight="20" />-->

    </LinearLayout>
    <include
        layout="@layout/layout_widget_heartrate_average"
        android:layout_width="50dp"
        android:layout_height="50dp"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_gravity="top|end"
        android:layout_marginTop="25dp"
        android:layout_marginStart="170dp" />

    <include
        layout="@layout/layout_widget_intensity_total"
        android:layout_width="50dp"
        android:layout_height="50dp"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_gravity="top|end"
        android:layout_marginTop="75dp"
        android:layout_marginStart="171dp" />

</RelativeLayout>