"You guys have to go to bed immediately!"

Translation: 你们要马上睡觉！

[play.better]

The Chinese translation is inaccurate. "Have to" should be "得 děi", not "要".

你们得马上去睡觉！
你们得赶紧去睡觉！

[varigby]

要 can be translated as "have to" or "must".

[deactivated user]

Where is "go" implied?

[daal39]

睡觉 also means "to go to sleep."

[KanKanMikan]

typical Asian parents