worked sleep.h

doc sleep.3 needs rename

docs/sleep.3

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+.TH SLEEP 3 "September 2025" "Dat-Thang LTS" "Libary Functions Manual"
+.SH NAME
+
+.SH SYNOPSIS
+.nf
+.B #include <sleep.h>
+
+.SH DESCRIPTION
+
+.SH RETURN VALUES
+
+.SH FILES
+
+.SH AUTHORS
+
+.SH NOTES