sleep

Pause for NUMBER seconds, where NUMBER is an integer or floating-point. SUFFIX may be 's','m','h', or 'd', for seconds, minutes, hours, days. With multiple arguments, pause for the sum of their values.

--help

display this help and exit

--version

output version information and exit

Written by Jim Meyering and Paul Eggert.

GNU coreutils online help: https://www.gnu.org/software/coreutils/
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