sleep - Sleeps for a while
sleep(seconds [, micro-seconds]);
This function sleeps for seconds and micro-seconds.
Note: In the followings examples, the _ between the { should be removed to make it work.
res= return res=. after at least 10 seconds
Written by Pierre Laplante and Caroline Laplante, <laplante@sednove.com>
1.0 2014-09-09 21:24:14 laplante@sednove.com