When you're really tired sleep is what you want to do like when you're really hungry you want to eat.

你累了，就会想睡觉,正如你饿了想吃东西一样。

耶鲁公开课 - 心理学导论课程节选

You'd be less likely to say "You look tired." or "You look bored." or "You look strange."

但你可能并不会说，“你看起来累极了。”，或者“你看起来很无聊。”，或“你看起来很奇怪。”

You look 课堂 - SpeakingMax英语口语达人

It's cosy, it's small, you can walk around the whole city, you'll be tired, but.

很舒服，城市很小，你可以全程走走，当然会累。

洛杉矶和旧金山的差异 - SpeakingMax英语口语达人