Learn Finnish: Unelmoin uudesta läppäristä.

The verb unelmoida (to dream or daydream) is a cognitive verb. In Finnish, verbs related to thinking, feeling, and dreaming usually require the thing you are thinking or dreaming about to be in the elative case. That is why both the adjective and the noun take the -sta or -stä ending.

Does unelmoin mean I am dreaming while asleep?

No, unelmoida specifically means to daydream, wish, or have aspirations about something. If you want to talk about having a dream while asleep, you use the phrase nähdä unta (literally to see a dream).

Why does the word uusi (new) change to uudesta?

The word uusi belongs to a group of words ending in -si. When you add a case ending like the elative, the -si changes to -de-. This gives us the stem uude-, to which we add -sta to get uudesta.

Is läppäri the official word for a laptop?

Läppäri is a very common everyday spoken word for a laptop, coming from the word läppä (flap or lid). The official written term is kannettava tietokone (portable computer), but you will hear läppäri almost exclusively in casual speech.