sleep for platform> sleep {flags} (duration) ...rest
duration: time to sleep...rest: additional time| input | output | 
|---|---|
| nothing | nothing | 
Sleep for 1sec
>sleep1sec
Sleep for 3sec
>sleep1sec1sec1sec
Send output after 1sec
>sleep1sec;echodone
    Copyright © 2019–2023 The Nushell Project DevelopersLicensed under the MIT License.
    https://www.nushell.sh/commands/docs/sleep.html