Linux "sleep" Command Line Options and Examples
sleep for a specified number of seconds

Pause for NUMBER seconds. SUFFIX may be 's' for seconds (the default), 'm' for minutes, 'h' for hours or 'd' for days. Unlike most implementations that require NUMBER be an integer, here NUMBER may be an arbitrary floating point number.


Usage:

sleep NUMBER[SUFFIX]...
    sleep OPTION




Command Line Options:

--help
display this help and exit
sleep --help ...
--version
output version information and exitAUTHORWritten by Jim Meyering and Paul Eggert.REPORTING BUGSGNU coreutils online help: <http://www.gnu.org/software/coreutils/>Report sleep translation bugs to <http://translationproject.org/team/>COPYRIGHTCopyright © 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later<http://gnu.org/licenses/gpl.html>.This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent per‐mitted by law.
sleep --version ...