Definition of late riser in US English:

late riser

noun

  • A person who habitually gets out of bed later than is usual.

    ‘she had always been a late riser’
    • ‘He was apparently a late riser, because by the time he made his entrance, the others had already finished eating.’
    • ‘Could it be that Ireland is a land of late risers?’
    • ‘Now if you were a late riser and got up at 11:00, the sky would already be completely covered with no sign of the early morning blue.’
    • ‘Perhaps there is a correlation between creativity and late risers.’
    • ‘Although I am typically a late riser, I was the first one up the next day.’