diff --git a/client/internal/sleep/detector_darwin.go b/client/internal/sleep/detector_darwin.go
index ef495bded..fc4713b21 100644
--- a/client/internal/sleep/detector_darwin.go
+++ b/client/internal/sleep/detector_darwin.go
@@ -188,7 +188,9 @@ func (d *Detector) triggerCallback(event EventType, cb func(event EventType), do
 	}
 
 	doneChan := make(chan struct{})
-	timeout := time.NewTimer(500 * time.Millisecond)
+	// macOS forces sleep ~30s after kIOMessageSystemWillSleep, so block long
+	// enough for teardown to finish while staying under that deadline.
+	timeout := time.NewTimer(20 * time.Second)
 	defer timeout.Stop()
 
 	go func() {