diff --git a/tests/test_dtmf_aggregator.py b/tests/test_dtmf_aggregator.py
index 40d3ece13..697d50d27 100644
--- a/tests/test_dtmf_aggregator.py
+++ b/tests/test_dtmf_aggregator.py
@@ -53,9 +53,9 @@ class TestDTMFAggregator(unittest.IsolatedAsyncioTestCase):
         frames_to_send = [
             InputDTMFFrame(button=KeypadEntry.ONE),
             InputDTMFFrame(button=KeypadEntry.TWO),
-            SleepFrame(sleep=0.2),  # This should trigger timeout
+            SleepFrame(),  # This should trigger timeout
             InputDTMFFrame(button=KeypadEntry.THREE),
-            SleepFrame(sleep=0.2),  # This should trigger another timeout
+            SleepFrame(),  # This should trigger another timeout
         ]
         expected_down_frames = [
             InputDTMFFrame,
@@ -86,10 +86,10 @@ class TestDTMFAggregator(unittest.IsolatedAsyncioTestCase):
             InputDTMFFrame(button=KeypadEntry.ONE),
             InputDTMFFrame(button=KeypadEntry.TWO),
             InputDTMFFrame(button=KeypadEntry.POUND),  # First sequence
-            SleepFrame(sleep=0.1),
+            SleepFrame(),
             InputDTMFFrame(button=KeypadEntry.FOUR),
             InputDTMFFrame(button=KeypadEntry.FIVE),
-            SleepFrame(sleep=0.3),  # Second sequence via timeout
+            SleepFrame(),  # Second sequence via timeout
         ]
         expected_down_frames = [
             InputDTMFFrame,
@@ -120,7 +120,7 @@ class TestDTMFAggregator(unittest.IsolatedAsyncioTestCase):
         frames_to_send = [
             InputDTMFFrame(button=KeypadEntry.ONE),
             InputDTMFFrame(button=KeypadEntry.TWO),
-            SleepFrame(sleep=0.1),  # Allow time for aggregation
+            SleepFrame(),  # Allow time for aggregation
             EndFrame(),
         ]
         expected_down_frames = [
diff --git a/tests/test_stt_mute_filter.py b/tests/test_stt_mute_filter.py
index 161962224..3d707dca7 100644
--- a/tests/test_stt_mute_filter.py
+++ b/tests/test_stt_mute_filter.py
@@ -124,14 +124,14 @@ class TestSTTMuteFilter(unittest.IsolatedAsyncioTestCase):
         frames_to_send = [
             # Bot speaking - should mute
             BotStartedSpeakingFrame(),
-            SleepFrame(sleep=0.1),  # Wait for StartedSpeaking to process
+            SleepFrame(),  # Wait for StartedSpeaking to process
             InterimTranscriptionFrame(
                 user_id="user1", text="This should be suppressed", timestamp="1234567890"
             ),
             TranscriptionFrame(
                 user_id="user1", text="This should be suppressed", timestamp="1234567890"
             ),
-            SleepFrame(sleep=0.1),  # Wait for transcription frames to queue
+            SleepFrame(),  # Wait for transcription frames to queue
             BotStoppedSpeakingFrame(),
             # Bot not speaking - should pass through
             InterimTranscriptionFrame(
diff --git a/tests/test_transcript_processor.py b/tests/test_transcript_processor.py
index d446dc6d6..a2a057a13 100644
--- a/tests/test_transcript_processor.py
+++ b/tests/test_transcript_processor.py
@@ -129,13 +129,13 @@ class TestUserTranscriptProcessor(unittest.IsolatedAsyncioTestCase):
         # Create test frames simulating bot speaking multiple text chunks
         frames_to_send = [
             BotStartedSpeakingFrame(),
-            SleepFrame(sleep=0.1),  # Wait for StartedSpeaking to process
+            SleepFrame(),  # Wait for StartedSpeaking to process
             TTSTextFrame(text="Hello"),
             TTSTextFrame(text="world!"),
             TTSTextFrame(text="How"),
             TTSTextFrame(text="are"),
             TTSTextFrame(text="you?"),
-            SleepFrame(sleep=0.1),  # Wait for text frames to queue
+            SleepFrame(),  # Wait for text frames to queue
             BotStoppedSpeakingFrame(),
         ]
 
@@ -194,7 +194,7 @@ class TestUserTranscriptProcessor(unittest.IsolatedAsyncioTestCase):
 
         frames_to_send = [
             BotStartedSpeakingFrame(),
-            SleepFrame(sleep=0.1),
+            SleepFrame(),
             TTSTextFrame(text=""),  # Empty text
             TTSTextFrame(text="   "),  # Just whitespace
             TTSTextFrame(text="\n"),  # Just newline
@@ -234,16 +234,16 @@ class TestUserTranscriptProcessor(unittest.IsolatedAsyncioTestCase):
         # Simulate bot being interrupted mid-sentence
         frames_to_send = [
             BotStartedSpeakingFrame(),
-            SleepFrame(sleep=0.1),
+            SleepFrame(),
             TTSTextFrame(text="Hello"),
             TTSTextFrame(text="world!"),
-            SleepFrame(sleep=0.1),
+            SleepFrame(),
             StartInterruptionFrame(),  # User interrupts here
-            SleepFrame(sleep=0.1),
+            SleepFrame(),
             BotStartedSpeakingFrame(),
             TTSTextFrame(text="New"),
             TTSTextFrame(text="response"),
-            SleepFrame(sleep=0.1),
+            SleepFrame(),
             BotStoppedSpeakingFrame(),
         ]
 
@@ -298,7 +298,7 @@ class TestUserTranscriptProcessor(unittest.IsolatedAsyncioTestCase):
 
         frames_to_send = [
             BotStartedSpeakingFrame(),
-            SleepFrame(sleep=0.1),
+            SleepFrame(),
             TTSTextFrame(text="Hello"),
             TTSTextFrame(text="world"),
             # Pipeline ends here; run_test will automatically send EndFrame
@@ -337,10 +337,10 @@ class TestUserTranscriptProcessor(unittest.IsolatedAsyncioTestCase):
 
         frames_to_send = [
             BotStartedSpeakingFrame(),
-            SleepFrame(sleep=0.1),
+            SleepFrame(),
             TTSTextFrame(text="Hello"),
             TTSTextFrame(text="world"),
-            SleepFrame(sleep=0.1),  # Ensure messages are processed
+            SleepFrame(),  # Ensure messages are processed
             CancelFrame(),
         ]
 
@@ -400,7 +400,7 @@ class TestUserTranscriptProcessor(unittest.IsolatedAsyncioTestCase):
         # Test assistant processor
         frames_to_send = [
             BotStartedSpeakingFrame(),
-            SleepFrame(sleep=0.1),
+            SleepFrame(),
             TTSTextFrame(text="Assistant"),
             TTSTextFrame(text="message"),
             BotStoppedSpeakingFrame(),
@@ -440,7 +440,7 @@ class TestUserTranscriptProcessor(unittest.IsolatedAsyncioTestCase):
         # Test the specific pattern shared
         frames_to_send = [
             BotStartedSpeakingFrame(),
-            SleepFrame(sleep=0.1),
+            SleepFrame(),
             TTSTextFrame(text="Hello"),
             TTSTextFrame(text=" there"),
             TTSTextFrame(text="!"),