JSI Tip 4170. Freeware DOZE allows you to sleep for n seconds.

If you don't have Sleep, you can download DOZE.ZIP.

I quote:UsageThe program is executed using the syntax:DOZE for example, to pause for 20 seconds: DOZE 20If the program is executed without a command-line argument, the program willpause for 10 seconds. If the program is executed with an invalid command-lineargument, it will be ignored and the default pause value of 10 seconds willbe used.Just before commencing the specified sleep period, the program will displaythe following message:Dozing for nn seconds .....where nn represents a supplied sleep value or the default of 10 seconds if nocommand-line argument was supplied.If a non-numeric command-line argument is supplied to the program, the following message will be observed:Invalid command-line argument - using default doze value (10 seconds).If a negative numeric value is supplied to the program, the followingmessage will be observed:Negative doze value supplied (-nn) ... correcting.where -nn represents a negative number.Note that the program's output may be directed to stdout if required, usingthe > redirection character. For example: DOZE > doze.txtThe nul device may also be used if required, if DOZE.EXE's message output is not required. For example:DOZE > nulExample usage-------------The following example illustrates the program's use within a batch file:@echo offrem Execute the first program.prog1rem Pause for 30 seconds before starting the second program.doze 30rem Execute the second program.prog2