diff --git a/Lib/test/test_time.py b/Lib/test/test_time.py
index 42799b2a21ca34..08b847b1219bd3 100644
--- a/Lib/test/test_time.py
+++ b/Lib/test/test_time.py
@@ -163,6 +163,11 @@ def test_sleep(self):
         self.assertRaises(ValueError, time.sleep, -1)
         time.sleep(1.2)
 
+    def test_sleep_invalid(self):
+        with self.assertRaisesRegex(
+                TypeError, 'an integer or float is required'):
+            time.sleep('foo')
+
     def test_strftime(self):
         tt = time.gmtime(self.t)
         for directive in ('a', 'A', 'b', 'B', 'c', 'd', 'H', 'I',
diff --git a/Python/pytime.c b/Python/pytime.c
index 9ff300699f04af..b66f4166c79a73 100644
--- a/Python/pytime.c
+++ b/Python/pytime.c
@@ -401,7 +401,11 @@ static int
 _PyTime_FromObject(_PyTime_t *t, PyObject *obj, _PyTime_round_t round,
                    long unit_to_ns)
 {
-    if (PyFloat_Check(obj)) {
+    if (!PyFloat_Check(obj) && !PyLong_Check(obj)) {
+        PyErr_SetString(PyExc_TypeError, "an integer or float is required.");
+        return -1;
+    }
+    else if (PyFloat_Check(obj)) {
         double d;
         d = PyFloat_AsDouble(obj);
         if (Py_IS_NAN(d)) {