slugabed
A lazy person who lies in bed after the usual time for getting up; a sluggard.
Why Lambe, why Lady, fie you ſluggabed, / Why Loue I ſay, Madam, ſweeteheart, why Bride: / What not a word, you take your penniworths now, / Sleepe for a weeke, […]
Where it comes from
From slug (“(obsolete) to move slowly or sluggishly; to lie idle”) + abed (“in bed”).
Adapted from the Wiktionary entry slugabed (CC BY-SA 4.0).