diff --git a/src/models/Spec.d.ts b/src/models/Spec.d.ts
index cbcb585..4bc4967 100644
--- a/src/models/Spec.d.ts
+++ b/src/models/Spec.d.ts
@@ -461,7 +461,7 @@ declare class Spec {
    * sleep after spec execution
    * @see https://pactumjs.github.io/api/utils/sleep.html
    */
-  sleep(ms: number): Promise<void>;
+  sleep(ms: number): Spec;
 }
 
 declare namespace Spec { }
diff --git a/src/models/Tosser.js b/src/models/Tosser.js
index 6a74a8f..5cca5ca 100644
--- a/src/models/Tosser.js
+++ b/src/models/Tosser.js
@@ -51,7 +51,7 @@ class Tosser {
       }
       return th.getOutput(this.spec, this.spec._returns);
     } finally {
-      this.sleep !== "" && await helper.sleep(this.sleep);
+      this.sleep > 0 && await helper.sleep(this.sleep);
       await this.removeInteractionsFromServer();
       this.setPreviousLogLevel();
     }
diff --git a/test/component/bdd.spec.js b/test/component/bdd.spec.js
index ff3f19f..95b7307 100644
--- a/test/component/bdd.spec.js
+++ b/test/component/bdd.spec.js
@@ -181,7 +181,7 @@ describe('BDD', () => {
   it('Should sleep after spec', async () => {
     const spec = pactum.spec();
     spec.useInteraction('default get');
-    await spec.get('http://localhost:9393/default/get').expectStatus(200).sleep(2000).toss();
+    await spec.get('http://localhost:9393/default/get').expectStatus(200).sleep(10).toss();
   });
 
 });
diff --git a/test/component/spec.handler.spec.js b/test/component/spec.handler.spec.js
index 68bf141..bc34d00 100644
--- a/test/component/spec.handler.spec.js
+++ b/test/component/spec.handler.spec.js
@@ -94,6 +94,6 @@ describe('Spec Handler', () => {
           id: 2
         }
       ])
-      .sleep(2000);
+      .sleep(10);
   });
 });
\ No newline at end of file