V3/usr/man/man2/sleep.2

Find at most related files.
including files from this version of Unix. 
.pa 1
.he 'SLEEP (II)'9/4/72'SLEEP (II)'
.ti 0
NAME		sleep -- stop execution for interval
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SYNOPSIS	(seconds in r0)
.br
sys sleep  / sleep = 35.; not in assembler
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DESCRIPTION	The
current process is suspended from execution
for the number of seconds specified
by the contents of register 0.
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SEE ALSO	--
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DIAGNOSTICS	--
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BUGS		Due to the
implementation,
the sleep interval is only
accurate to 256 60ths of a
second (4.26 sec).
Even then, the process is placed
on a low priority queue and must be
scheduled.