I think @SlackHQ needs to have a schedule feature on messages so I can continue the facade that I keep regular hours. 
Hey, Donna! We can see how useful scheduled messages would be, especially for messages of the same theme that you might need to send on a regular basis. We'll see what's possible, but you might find something to help you out in our App Directory here:https://my.slack.com/apps/search?q=schedule+messages …