diff --git a/dbt/adapters/risingwave/impl.py b/dbt/adapters/risingwave/impl.py
index 61ca453..d42b724 100644
--- a/dbt/adapters/risingwave/impl.py
+++ b/dbt/adapters/risingwave/impl.py
@@ -1,3 +1,6 @@
+import time
+
+from dbt.adapters.base.meta import available
 from dbt.adapters.postgres.impl import PostgresAdapter
 
 from dbt.adapters.risingwave.connections import RisingWaveConnectionManager
@@ -11,3 +14,8 @@ class RisingWaveAdapter(PostgresAdapter):
     def _link_cached_relations(self, manifest):
         # lack of `pg_depend`, `pg_rewrite`
         pass
+
+    @available
+    @classmethod
+    def sleep(cls, seconds):
+        time.sleep(seconds)