diff --git a/plots/acceleration.gnuplot b/plots/acceleration.gnuplot
new file mode 100644
index 0000000..33640a0
--- /dev/null
+++ b/plots/acceleration.gnuplot
@@ -0,0 +1,37 @@
+set term qt
+set datafile separator " "
+set title "Subject 1066528 Sleep"
+
+# Get the magnitude of the derivative-vector.
+# We need 3 sets of delta variables, hence we have 3 functions.
+# Return NaN for first point, otherwise delta y or (delta y)/(delta x)
+d1(y) = ($0 == 0) ? (y11 = y, NaN) : (y21 = y11, y11 = y, y11-y21)
+d2(y) = ($0 == 0) ? (y12 = y, NaN) : (y22 = y12, y12 = y, y12-y22)
+d3(y) = ($0 == 0) ? (y13 = y, NaN) : (y23 = y13, y13 = y, y13-y23)
+mag(x,y,z) = sqrt((x**2) + (y**2) + (z**2))
+scale = 1 # 1024  # bma425's default scaling is 1024 (+1g to -1g).
+dmag(x,y,z) = mag( \
+        abs(d1(x)/scale), \
+        abs(d2(y)/scale), \
+        abs(d3(z)/scale) \
+        )
+
+
+set multiplot
+
+set yrange [-0.1:2 < * < 10] extend
+set xrange [-1000:30000] extend
+unset ytics
+plot "data/1066528_acceleration.txt" using 1:(dmag($2,$3,$4)) w l t "Motion" lw 1 lc "gray"
+
+unset title
+unset xtics
+unset border
+
+set yrange [-2:8]
+set ytics ("Wake" 0, "N1" 1, "N2" 2, "N3" 3, "REM" 5)
+plot "data/1066528_labeled_sleep.txt" using 1:2 w l t "Sleep" lw 3 lc "blue"
+
+set y2range [0:200]
+set datafile separator ","
+plot "data/1066528_heartrate.txt" using 1:2 w l axes x1y2 t "HR" lc "red"
diff --git a/pyproject.toml b/pyproject.toml
index 93f1928..320eff7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,10 +7,12 @@ authors = [
     { name = "Asger Gitz-Johansen", email = "asger.gitz@hotmail.com" }
 ]
 requires-python = ">=3.12"
-dependencies = []
+dependencies = [
+    "torch"
+]
 
 [project.scripts]
-sleep-detection = "sleep_detection:main"
+sleep-detection = "sleep_detection.main:main"
 
 [build-system]
 requires = ["uv_build>=0.12.0,<0.13.0"]
diff --git a/src/sleep_detection/__init__.py b/src/sleep_detection/__init__.py
index 524f383..8b13789 100644
--- a/src/sleep_detection/__init__.py
+++ b/src/sleep_detection/__init__.py
@@ -1,2 +1 @@
-def main() -> None:
-    print("Hello from sleep-detection!")
+
diff --git a/src/sleep_detection/__main__.py b/src/sleep_detection/__main__.py
new file mode 100644
index 0000000..eae49bd
--- /dev/null
+++ b/src/sleep_detection/__main__.py
@@ -0,0 +1,6 @@
+"""Main entrypoint."""
+
+from sleep_detection.main import main
+
+if __name__ == "__main__":
+    main()
diff --git a/src/sleep_detection/main.py b/src/sleep_detection/main.py
new file mode 100644
index 0000000..1138c3e
--- /dev/null
+++ b/src/sleep_detection/main.py
@@ -0,0 +1,6 @@
+"""Main Entrypoint codebase."""
+
+
+def main():
+    """The Main entrypoint function."""
+    print("Hello from sleep-detection!")