jodd-core/src/main/java/jodd/util/ThreadUtil.java
public static void sleep(final long ms) {
		try {
			Thread.sleep(ms);
		} catch (InterruptedException iex) {
			Thread.currentThread().interrupt();
		}
	}
public static void sleep(final long ms) {
		try {
			Thread.sleep(ms);
		} catch (InterruptedException iex) {
			Thread.currentThread().interrupt();
		}
	}
Puts a thread to sleep, without throwing an InterruptedException.

@param ms     the length of time to sleep in milliseconds