Add unit of measurement and icon for sleep score (#45705)

homeassistant/components/withings/common.py

@@ -402,8 +402,8 @@ WITHINGS_ATTRIBUTES = [
         Measurement.SLEEP_SCORE,
         GetSleepSummaryField.SLEEP_SCORE,
         "Sleep score",
-        "",
-        None,
+        const.SCORE_POINTS,
+        "mdi:medal",
         SENSOR_DOMAIN,
         False,
         UpdateType.POLL,

homeassistant/components/withings/const.py

@@ -55,6 +55,7 @@ class Measurement(Enum):
     WEIGHT_KG = "weight_kg"
 
 
+SCORE_POINTS = "points"
 UOM_BEATS_PER_MINUTE = "bpm"
 UOM_BREATHS_PER_MINUTE = f"br/{const.TIME_MINUTES}"
 UOM_FREQUENCY = "times"