diff --git a/README.md b/README.md
index f94487d..27493bf 100644
--- a/README.md
+++ b/README.md
@@ -160,6 +160,12 @@ All input names in **bold** are _required_.
 | `acceptable_conclusions` | A comma-separated list of acceptable statuses. If any of these statuses are present, the action will not fail.</br></br>See the [GitHub REST API documentation](https://docs.github.com/en/rest/actions/workflow-jobs#get-a-job-for-a-workflow-run), specifically, the Response schema's "conclusion" property's `enum` values, for a complete list of supported values (excluding `null`). | `success` |
 | `fail_fast` | If set to true, the action will fail as soon as a check fails. If set to false (default), the action will wait for all checks to complete before failing. | `False` |
 
+### Deprecated inputs
+
+| Name | Replaced by | Deprecated since |
+|:---:|:---:|:---:|
+| `sleep` | `pre_sleep` | v2.15.0 |
+
 ## License
 
 All files in this repository is licensed under the [MIT License](LICENSE) and copyright &copy; Casper Welzel Andersen.
diff --git a/action.yml b/action.yml
index bebb17c..8bb8333 100644
--- a/action.yml
+++ b/action.yml
@@ -64,6 +64,12 @@ inputs:
     description: 'If set to true, the action will fail as soon as a check fails. If set to false (default), the action will wait for all checks to complete before failing.'
     required: false
     default: 'false'
+
+  # DEPRECATED
+  sleep:
+    description: "DEPRECATED! Use 'pre_sleep'. Time (in seconds) the action should wait until it will start 'waiting' and check the list of running actions/checks. This should be an appropriate number to let the checks start up"
+    required: false
+    default: ''
 runs:
   using: 'docker'
   image: 'Dockerfile'
diff --git a/entrypoint.sh b/entrypoint.sh
index 370e2cc..49668ec 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -11,6 +11,14 @@ esac
 
 set -e
 
+if [ -n "${INPUT_SLEEP}" ]; then
+    echo "::warning title=Deprecated input::The 'sleep' input is deprecated. Please use 'pre_sleep' instead."
+    if [ -z "${INPUT_PRE_SLEEP}" ] || [ "${INPUT_PRE_SLEEP}" == "5" ]; then
+        # If `pre_sleep` is not defined, or is the default value, use the deprecated `sleep` input value
+        INPUT_PRE_SLEEP=${INPUT_SLEEP}
+    fi
+fi
+
 # Utility functions
 ere_quote() {
     sed 's/[][\.|$(){}?+*^]/\\&/g' <<< "$*"