Can you trade long and/or short ETFs like TQQQ and/or SQQQ after hours?

I plan to buy up both long and short ETFs like TQQQ and SQQQ and then right after buying put sell orders that are tight in different amounts on them. Like a 1% trailing stop loss, 2%, etc. Can I buy these during hours and have the trailing stop loss sell orders execute during non-trading hours? Or is this only possible during trading hours?

This would only be done on really good days or really bad days to come for the market to offset the losses from whichever one goes down.