diff --git a/common/Cargo.toml b/common/Cargo.toml
index 6a657c7..f475339 100644
--- a/common/Cargo.toml
+++ b/common/Cargo.toml
@@ -47,3 +47,4 @@ svgtypes = { git = "https://github.com/RazrFalcon/svgtypes" }
 xmlparser = { git = "https://github.com/RazrFalcon/xmlparser" }
 usvg = { git = "https://github.com/RazrFalcon/usvg" }
 http = { git = "https://github.com/hyperium/http" }
+sleep-parser = { git = "https://github.com/datrs/sleep-parser" }
diff --git a/common/src/lib.rs b/common/src/lib.rs
index 0d7c384..c40887b 100644
--- a/common/src/lib.rs
+++ b/common/src/lib.rs
@@ -41,6 +41,7 @@ extern crate svgtypes;
 extern crate xmlparser;
 extern crate usvg;
 extern crate http;
+extern crate sleep_parser;
 
 #[inline(always)]
 pub fn fuzz_brotli_read(data: &[u8]) {
@@ -956,3 +957,9 @@ pub fn fuzz_http_uri(data: &[u8]) {
     }
 }
 
+#[inline(always)]
+pub fn fuzz_sleep_parser_header(data: &[u8]) {
+    if let Ok(header) = sleep_parser::Header::from_vec(data) {
+        sleep_parser::Header::from_vec(&header.to_vec()).unwrap();
+    }
+}