起床早／晚的人
a person who usually gets out of bed early/late in the morning
Even as a teenager, I was an early riser.
An early riser, she walks the dog at six o'clock most mornings.
The coffee shop opens at five o'clock to accommodate the early risers.
Don't expect to see Tom before ten o'clock most mornings - he's a late riser.
Most of the classes are scheduled before the word day starts so they tend not to suit the late riser.
Both of my brothers were late risers whereas I was a lark, up with the first light.
See also: riser (PERSON)