diff --git a/src/quantifiedme/ui/main.py b/src/quantifiedme/ui/main.py
index c246283..93e02dc 100644
--- a/src/quantifiedme/ui/main.py
+++ b/src/quantifiedme/ui/main.py
@@ -1,22 +1,29 @@
 from datetime import datetime, timedelta
-from functools import lru_cache
+from functools import cache
 
 import gradio as gr
-import numpy as np
 import pandas as pd
 from quantifiedme.derived.all_df import load_all_df
+from quantifiedme.derived.sleep import load_sleep_df
+from quantifiedme.load.qslang import load_daily_df as load_qslang_daily_df
+from quantifiedme.load.qslang import load_df as load_qslang_df
 
 
-@lru_cache
+@cache
 def load_all(fast=True) -> pd.DataFrame:
-    print("Loading all data")
+    print(f"Loading all data {fast=}")
     df = load_all_df(fast)
     print("DONE! Loaded", len(df), "rows")
     return df
 
 
 def load_timeperiods(tps: list[tuple[datetime, datetime]]) -> pd.DataFrame:
-    df = load_all()
+    fast = True
+    now = datetime.now()
+    oldest_start = min((start for start, _ in tps))
+    if oldest_start < now - timedelta(days=30):
+        fast = False
+    df = load_all(fast=fast)
     print("Slicing timeperiods")
     df = pd.concat([df[(df.index >= start) & (df.index <= end)] for start, end in tps])
     print("DONE! Sliced", len(df), "rows")
@@ -30,32 +37,28 @@ def load_timeperiod(period: str) -> pd.DataFrame:
 
 def period_to_timeperiod(period: str) -> tuple[datetime, datetime]:
     now = datetime.now()
-    match period:
-        case "Day":
+    match period.lower():
+        case "day":
             return (now.replace(hour=0, minute=0, second=0), now)
-        case "Week":
+        case "week":
             return (
                 now.replace(hour=0, minute=0, second=0) - timedelta(days=now.weekday()),
                 now,
             )
-        case "Month":
+        case "month":
             return (now.replace(day=1, hour=0, minute=0, second=0), now)
-        case "Year":
+        case "year":
             return (now.replace(month=1, day=1, hour=0, minute=0, second=0), now)
         case _:
             raise ValueError(f"Unknown period: {period}")
 
 
-def load_all_cols() -> list[str]:
-    df = load_all()
-    return [str(c) for c in df.columns]
-
-
 def dropdown_dfcols(df) -> gr.Dropdown:
     # if no data, return empty choices
     if df.empty or len(df) == 0:
         return gr.Dropdown(choices=[], value=None)
-    return gr.Dropdown(choices=[str(c) for c in df.columns], value=df.columns[0])
+    columns = [str(c) for c in df.columns if str(c) != "date"]
+    return gr.Dropdown(choices=columns, value=columns[0])
 
 
 def plot_cat(df: pd.DataFrame | None, col: str | None = None) -> gr.BarPlot:
@@ -65,7 +68,7 @@ def plot_cat(df: pd.DataFrame | None, col: str | None = None) -> gr.BarPlot:
         print(f"Col changed to {col}")
         df = df.reset_index().rename(columns={"index": "date"})
         df = df[["date", col]]
-        y_max = max(df[col])
+        y_max = max([v for v in df[col] if isinstance(v, (int, float))], default=0)
         y_lim = [0, round(y_max) + 1 if isinstance(y_max, (int, float)) else 1]
         col = col.replace(":", "\\:")
     else:
@@ -89,7 +92,7 @@ def plot_top_cats(df: pd.DataFrame | None) -> gr.BarPlot:
     if df is not None:
         df = (
             filter_df_cols(df, "time:")
-            .drop(columns=["time:All_events", "time:All_cols"])
+            .drop(columns=["time:All_events", "time:All_cols"], errors="ignore")
             .sum()
             .sort_values(ascending=False)
             .head(10)
@@ -126,24 +129,54 @@ def main():
             view_explore()
 
         with gr.Tab("Time"):
-            gr.Markdown("TODO")
+            view_time()
 
         with gr.Tab("Sleep"):
-            gr.Markdown("TODO")
+            view_sleep()
 
         with gr.Tab("Drugs"):
-            gr.Markdown("TODO")
+            view_drugs()
 
         with gr.Tab("Correlations"):
-            gr.Markdown("Just an example of plot with inputs")
             view_plot_correlations()
 
         with gr.Tab("Data sources"):
-            gr.Markdown("TODO")
+            view_sources()
 
     app.launch()
 
 
+def _sort_cols(df: pd.DataFrame) -> pd.DataFrame:
+    # reorder column so that column with highest sum is first
+    if "date" not in df.columns:
+        df = df.reset_index().rename(columns={"index": "date"})
+    cols = df.columns.tolist()
+    cols.remove("date")
+    cols = sorted(
+        cols, key=lambda c: -df[c].sum() if df[c].dtype in [int, float] else 0
+    )
+    cols = ["date"] + cols
+    return df[cols].set_index("date")
+
+
+def _prepare_df_for_view(df: pd.DataFrame) -> pd.DataFrame:
+    df = df.reset_index().rename(columns={"index": "date"})
+    print(df)
+    print("Duplicates in date", df.duplicated("date").sum())
+    df["date"] = pd.to_datetime(df["date"])
+    df["date"] = df["date"].dt.date
+    df = df.sort_values("date", ascending=False)
+    df = _sort_cols(df)
+    return df
+
+
+def dataframe_summary(range: str | None) -> gr.Dataframe:
+    print(f"Loading summary for {range=}")
+    df = load_timeperiod(range) if range else pd.DataFrame()
+    df = _prepare_df_for_view(df)
+    return gr.Dataframe(df)
+
+
 def view_summary():
     """View to show summary of data for the current day/week/month/year"""
     with gr.Group():
@@ -157,8 +190,8 @@ def view_summary():
         gr.Markdown("Top categories")
         plot_top_cats_output = plot_top_cats(None)
 
-    dataframe_el = gr.Dataframe(pd.DataFrame())
-    btn.click(load_timeperiod, [range], dataframe_el)
+    dataframe_el = dataframe_summary(None)
+    btn.click(dataframe_summary, [range], dataframe_el)
 
     # when loaded
     # update the top categories plot
@@ -167,6 +200,13 @@ def view_summary():
     )
 
 
+def dataframe_all(fast: bool) -> gr.Dataframe:
+    print(f"Loading df_all {fast=}")
+    df = load_all(fast=fast)
+    df = _prepare_df_for_view(df)
+    return gr.Dataframe(df)
+
+
 def view_explore():
     """View to explore the raw data"""
     with gr.Group():
@@ -174,59 +214,117 @@ def view_explore():
         fast = gr.Checkbox(value=True, label="Fast")
         btn = gr.Button(value="Load")
 
-    cols_dropdown = gr.Dropdown(
-        label="Columns", choices=[], allow_custom_value=True, interactive=True
-    )
-
     dataframe_el = gr.Dataframe([])
-    btn.click(load_all, [fast], dataframe_el)
-
-    # when loaded, update the dropdown
-    dataframe_el.change(
-        fn=dropdown_dfcols, inputs=[dataframe_el], outputs=[cols_dropdown]
-    )
+    btn.click(dataframe_all, [fast], dataframe_el)
 
-    plot_cat_output = gr.BarPlot(
-        x="date",
-        y="time\\:Work",
-        # tooltip=["x", "y"],
-        y_lim=[0, 10],
-        width=350,
-        height=300,
-    )
+    with gr.Group():
+        cols_dropdown = gr.Dropdown(
+            label="Columns", choices=[], allow_custom_value=True, interactive=True
+        )
+        # when loaded, update the dropdown
+        dataframe_el.change(
+            fn=dropdown_dfcols, inputs=[dataframe_el], outputs=[cols_dropdown]
+        )
 
-    # when dropdown changes, update the plot
-    cols_dropdown.change(
-        fn=plot_cat, inputs=[dataframe_el, cols_dropdown], outputs=[plot_cat_output]
-    )
+        plot_cat_output = plot_cat(None, None)
+        # when dropdown changes, update the plot
+        cols_dropdown.change(
+            fn=plot_cat, inputs=[dataframe_el, cols_dropdown], outputs=[plot_cat_output]
+        )
 
 
 def view_plot_correlations():
     """View to plot correlations between columns"""
+    dataframe_el = gr.Dataframe(pd.DataFrame())
 
-    def plot(v, a):
-        g = 9.81
-        theta = a / 180 * 3.14
-        tmax = ((2 * v) * np.sin(theta)) / g
-        timemat = tmax * np.linspace(0, 1, 40)
+    with gr.Group():
+        gr.Markdown("Query options")
+        fast = gr.Checkbox(value=True, label="Fast")
+        btn = gr.Button(value="Load")
+        btn.click(dataframe_all, [fast], dataframe_el)
 
-        x = (v * timemat) * np.cos(theta)
-        y = ((v * timemat) * np.sin(theta)) - ((0.5 * g) * (timemat**2))
-        df = pd.DataFrame({"x": x, "y": y})
-        return df
+    def plot(df, col1: str | None, col2: str | None) -> gr.ScatterPlot:
+        print(f"Plotting {df=} {col1=} {col2=}")
+        if df is None or col1 is None or col2 is None:
+            return gr.ScatterPlot(
+                pd.DataFrame({"x": [], "y": []}), x="x", y="y", height=300
+            )
+        df = df[[col1, col2]].dropna()
+        # df["corr"] = df[col1].corr(df[col2])
+        return gr.ScatterPlot(
+            df,
+            x=col1.replace(":", "\\:"),
+            y=col2.replace(":", "\\:"),
+            height=300,
+        )
 
     with gr.Row():
-        speed = gr.Slider(1, 30, 25, label="Speed")
-        angle = gr.Slider(0, 90, 45, label="Angle")
+        cols1_dropdown = gr.Dropdown(
+            label="X Column", choices=[], allow_custom_value=True, interactive=True
+        )
+        cols2_dropdown = gr.Dropdown(
+            label="Y Column", choices=[], allow_custom_value=True, interactive=True
+        )
+        # when loaded, update the dropdown
+        dataframe_el.change(
+            fn=dropdown_dfcols,
+            inputs=[dataframe_el],
+            outputs=[cols1_dropdown],
+        )
+        dataframe_el.change(
+            fn=dropdown_dfcols,
+            inputs=[dataframe_el],
+            outputs=[cols2_dropdown],
+        )
     with gr.Tab("Plots"):
-        output = gr.LinePlot(
-            x="x",
-            y="y",
-            overlay_point=True,
-            tooltip=["x", "y"],
-            x_lim=[0, 100],
-            y_lim=[0, 60],
-            height=300,
+        plot_corr_output = plot(
+            dataframe_el.value, cols1_dropdown.value, cols2_dropdown.value
         )
         btn = gr.Button(value="Run")
-        btn.click(plot, [speed, angle], output)
+        btn.click(
+            plot, [dataframe_el, cols1_dropdown, cols2_dropdown], plot_corr_output
+        )
+
+
+def view_drugs():
+    """View to explore drugs data"""
+
+    def load():
+        daily_df = load_qslang_daily_df()
+        df = load_qslang_df()
+        return daily_df, df
+
+    button_load = gr.Button("Load")
+
+    daily_df, df = load()
+    daily_df_el = gr.Dataframe(daily_df)
+    df_el = gr.Dataframe(df)
+
+    button_load.click(load, [], [daily_df_el, df_el])
+
+    return daily_df_el, df_el
+
+
+def view_sleep():
+    """View to explore sleep data"""
+
+    def load():
+        df = load_sleep_df()
+        return df
+
+    button_load = gr.Button("Load")
+
+    df = load()
+    df_el = gr.Dataframe(df)
+
+    button_load.click(load, [], [df_el])
+
+
+def view_time():
+    """View to explore time data"""
+    pass
+
+
+def view_sources():
+    """View to show sources of data"""
+    pass