Looking for logging into the Usleep site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Usleep site. After that you can login as usual with your login credentials.
https://u-sleep.umbian.com/
https://www.resmed.com/us/en/healthcare-professional/products/monitoring-and-data-management/u-sleep.html
https://stackoverflow.com/questions/10770859/in-php-sleep-usleep-doesnt-work-properly-also-have-trouble-logging
https://www.linuxquestions.org/questions/programming-9/confused-of-using-usleep-and-sleep-736835/
http://www.qnx.com/developers/docs/7.0.0/#com.qnx.doc.neutrino.lib_ref/topic/u/usleep.html
https://www.unix.com/man-page/centos/3/usleep/
https://serverfault.com/questions/469247/how-do-i-sleep-for-a-millisecond-in-bash-or-ksh
https://api.drupal.org/api/drupal/vendor%21symfony%21phpunit-bridge%21ClockMock.php/function/ClockMock%3A%3Ausleep/8.4.x
https://www.w3schools.com/php/func_misc_usleep.asp
https://forums.macrumors.com/threads/sleep-vs-usleep-vs-nsthread-sleepfortimeinterval.525271/
https://www.linode.com/community/questions/5948/after-8-days-php-stuck-in-quotextendedquot-usleep
https://www.intel.com/content/www/us/en/programmable/support/support-resources/knowledge-base/solutions/rd08312011_772.html
https://www.geeksforgeeks.org/php-usleep-function/