Meaning: This means that when night came, the owl woke up.
Choice of Words: Night is the subject, came is the verb, owl is the object, woke up is the verb.
Alternative Expressions
As night fell, the owl stirred.
Meaning: At the same time as night came, the owl woke up and started to move around.
Choice of Words: **As** means at the same time as something else happens. **Fell** means to come down. **Stirred** means to move slightly, often because you are waking up.
Darkness descended, awakening the nocturnal owl.
Meaning: As darkness came down, the owl, which is an animal that is active at night, woke up.
Choice of Words: **Darkness** means the absence of light. **Descended** means to come down. **Awakening** means to wake up. **Nocturnal** means active at night.