How to introduce delay between executions in Maven

maven-sleep.xml

                   <plugin>
                        <groupId>org.apache.maven.plugins</groupId>
                        <artifactId>maven-antrun-plugin</artifactId>
                        <configuration>
                            <tasks>
                                <sleep seconds="10" />
                            </tasks>
                        </configuration>
                        <executions>
                            <execution>
                                <id>sleep-for-a-while</id>
                                <!-- When -->
                                <phase>verify</phase>
                                <goals>
                                    <goal>run</goal>
                                </goals>
                            </execution>
                        </executions>
                    </plugin>