不想睡觉 英语翻译

I don't want to sleep不是更简单...干嘛那么复杂

I'm not sleepy.我不困

正确！你的说法是最简单的表达方法。

I don't want sleep (sleep做名词, 更简单了...)

楼主非要用“go to”的话，说“I don't feel like to go to bed"会较好些。
或者，I don't want to fall asleep.
当然，如一楼所说，"I don't want to sleep"即可。

i want to go to bed,
i want to sleep.