关于“叫起床”的英语表达，综合多个来源的信息整理如下：

一、基础表达方式

核心短语

- It's time to get up.

- It's time to wake up.

- It's time to get out of bed.

日常口语化表达

- Hey/Hi + 名词 + , it's time to wake up!

- Time to wakeup! Wake up, you sleepyhead.

- Rise and shine!

二、地道口语扩展

催促类

- You'd better get up, or you'll be late.

- Hurry up! Get up soon!

- Come on, get up!

趣味化表达

- The sun's up!

- I'll tickle you if you don't wake up.

- Early rising makes a man healthy!

三、使用建议

场景适配：

正式场合优先使用"It's time to..."结构，日常交流推荐使用"Hey/Hi + 名词"更自然。

情感表达：添加形容词（如"tired"）或动作（如"get ready"）可增强语气，例如：

"You look tired, it's time to get up and freshen up."

"Get up and have breakfast, or you'll miss the train!"

注：部分短语如"get up"为高频动词短语，建议通过例句记忆用法。