V8/usr/man/man2/nap.2

.TH NAP 2
.SH NAME
nap \- suspend execution for a short interval
.SH SYNOPSIS
.B nap(ticks)
.SH DESCRIPTION
.I Nap
suspends execution of
the current process
for
.RI ticks /HZ
seconds,
where HZ
is 50
or 60
depending on your locality.
The time may be at most two seconds.
.SH SEE ALSO
alarm(2),
sleep(3)