Questions & Answers about Я хочу пожелать тебе спокойной ночи.
Because the sentence literally means I want to wish you a good night, not simply I wish you a good night.
- хочу = I want
- пожелать = to wish (perfective)
So:
- Я хочу пожелать тебе спокойной ночи = I want to wish you a peaceful/good night
If you removed хочу, the meaning would change:
- Я желаю тебе спокойной ночи = I wish you a good night
- Я хочу пожелать тебе спокойной ночи = I want to wish you a good night
Russian often uses this structure when the speaker is introducing a wish in a slightly softer or more formal way.
This is an aspect difference.
- желать = imperfective
- пожелать = perfective
In this context:
- желать focuses more on the process or general act of wishing
- пожелать focuses on a single completed act: to offer a wish
So пожелать is very natural when you are making one specific wish to someone.
Compare:
- Я желаю тебе удачи = I wish you luck
- Я хочу пожелать тебе удачи = I want to wish you luck
Both are correct, but пожелать often sounds like one complete, intentional wish.