Fico desperto porque tenho um sono ligeiro.

Questions & Answers about Fico desperto porque tenho um sono ligeiro.

How would I rewrite this sentence to use the current lesson's grammar, daí que?
Daí que means hence or therefore and introduces a consequence, which always triggers the subjunctive mood. To rewrite this sentence, you need to flip the cause and effect: Tenho um sono ligeiro, daí que fique desperto. (I have a light sleep, hence I stay awake). Notice how the indicative verb fico changes to the present subjunctive fique.
Why use fico instead of estou here?
While estou desperto just states the temporary fact that you are currently awake, fico desperto implies a resulting state (I stay awake or I end up awake). Ficar is often used for states that are the direct result of a specific cause or condition, which perfectly sets up the porque clause that follows.
Could I say acordado instead of desperto?
Yes, acordado is the most common everyday word for awake. Desperto means the same thing but can sound slightly more formal, or it can imply being mentally alert and wide-awake rather than just having your eyes open.
Is ter um sono ligeiro the standard way to say someone is a light sleeper?
Exactly! While in English we usually describe the person (a light sleeper), in Portuguese we describe the sleep itself: ter um sono ligeiro (to have a light sleep). You will also frequently hear ter um sono leve, which means the exact same thing.

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