diff --git a/homeassistant/components/xiaomi_aqara/sensor.py b/homeassistant/components/xiaomi_aqara/sensor.py
index b3f29e93c63..5ad29af0aaf 100644
--- a/homeassistant/components/xiaomi_aqara/sensor.py
+++ b/homeassistant/components/xiaomi_aqara/sensor.py
@@ -19,6 +19,7 @@ SENSOR_TYPES = {
     "illumination": ["lm", None, DEVICE_CLASS_ILLUMINANCE],
     "lux": ["lx", None, DEVICE_CLASS_ILLUMINANCE],
     "pressure": ["hPa", None, DEVICE_CLASS_PRESSURE],
+    "bed_activity": ["μm", None, None],
 }