Questions & Answers about Jeg er trøtt om morgenen.
What part of speech is trøtt, and why doesn’t it change form after er?
trøtt is an adjective used predicatively (i.e. after a linking verb). In Norwegian, predicative adjectives remain in their base (indefinite singular) form, so you don’t add endings. If you used it attributively (before a noun), you’d inflect it with the definite article: e.g. den trøtte mannen (“the tired man”).
Does trøtt mean exactly “sleepy,” or can it also mean “tired”?
trøtt covers both everyday tiredness and the need for sleep. If you want to emphasize that you’re drowsy or ready to fall asleep, you can also use søvnig, but in most contexts trøtt is perfectly natural for “tired” or “sleepy.”
Why do we say om morgenen to talk about mornings in general?
The construction om + [definite form of a part of the day] expresses habitual or recurring actions. So om morgenen literally means “in the mornings” (on a regular basis). You’ll see the same pattern with om kvelden (“in the evenings”) and om vinteren (“in the winter”).
Why is it morgenen (definite) and not morgen (indefinite)?
With om in time expressions, Norwegian uses the definite form. This signals that you’re talking about the day-part as a whole, recurring phenomenon, not “one morning” in particular.