slugabed
/ˈslʌɡəˌbɛd/
noun
- A person who stays in bed late; a lazy person who is slow to get up in the morning.
- She used to be a slugabed, but now she wakes up at dawn for her job.
- My brother is such a slugabed that he misses breakfast almost every day.
- The innkeeper called the guests slugabeds when they finally came down at noon.