diff --git a/garminconnect/typed.py b/garminconnect/typed.py
index 2094d536..29c1bdd6 100644
--- a/garminconnect/typed.py
+++ b/garminconnect/typed.py
@@ -214,7 +214,7 @@ class DailySleepDTO(_BaseResponse):
     avg_sleep_hrv: float | None = Field(default=None, alias="avgSleepHRV")
     avg_spo2: float | None = Field(default=None, alias="avgSpO2")
     avg_respiration_value: float | None = Field(
-        default=None, alias="avgRespirationValue"
+        default=None, alias="averageRespirationValue"
     )
     lowest_respiration_value: float | None = Field(
         default=None, alias="lowestRespirationValue"
diff --git a/tests/test_typed.py b/tests/test_typed.py
index ab17c4d2..7e11a0fa 100644
--- a/tests/test_typed.py
+++ b/tests/test_typed.py
@@ -91,7 +91,7 @@ def garmin() -> garminconnect.Garmin:
         "sleepEndTimestampGMT": 1761125400000,
         "avgSleepHRV": 52.3,
         "avgSpO2": 96.0,
-        "avgRespirationValue": 14.2,
+        "averageRespirationValue": 14.2,
         "sleepScores": {
             "overall": {"value": 84, "qualifierKey": "GOOD"},
             "totalDuration": {"value": 90, "qualifierKey": "EXCELLENT"},
@@ -242,6 +242,7 @@ def test_get_sleep_data_returns_nested_dto(garmin: garminconnect.Garmin) -> None
     assert sleep.daily_sleep_dto.sleep_time_seconds == 25200
     assert sleep.daily_sleep_dto.deep_sleep_seconds == 5400
     assert sleep.daily_sleep_dto.avg_sleep_hrv == 52.3
+    assert sleep.daily_sleep_dto.avg_respiration_value == 14.2
     # Nested scores are also typed
     assert sleep.daily_sleep_dto.sleep_scores is not None
     assert sleep.daily_sleep_dto.sleep_scores.overall is not None