handler.postDelayed跟Thread.sleep有什么区别

if (intent.action == Intent.ACTION_BOOT_COMPLETED) {//开机广播
handler.postDelayed({
LogUtils.sysout(Tag, "开机广播启动")

        }, (5 * 1000).toLong())

                    跟Thread.sleep(5000)
                    区别在哪里？

https://blog.csdn.net/QianNiYouShouZuo/article/details/80243173?utm_source=blogxgwz3