diff --git a/homeassistant/components/light/sensehat.py b/homeassistant/components/light/sensehat.py
index acda0dc206c..5e623fc772e 100644
--- a/homeassistant/components/light/sensehat.py
+++ b/homeassistant/components/light/sensehat.py
@@ -82,6 +82,16 @@ class SenseHatLight(Light):
         """Return true if light is on."""
         return self._is_on
 
+    @property
+    def should_poll(self):
+        """Return if we should poll this device."""
+        return False
+    
+    @property
+    def assumed_state(self) -> bool:
+        """Return True if unable to access real state of the entity."""
+        return True
+    
     def turn_on(self, **kwargs):
         """Instruct the light to turn on and set correct brightness & color."""
         self._brightness = kwargs.get(ATTR_BRIGHTNESS, 255)
@@ -95,8 +105,10 @@ class SenseHatLight(Light):
                              int(self._rgb_color[2] * percent_bright))
 
         self._is_on = True
+        this.schedule_update_ha_state()
 
     def turn_off(self, **kwargs):
         """Instruct the light to turn off."""
         self._sensehat.clear()
         self._is_on = False
+        this.schedule_update_ha_state()