slumberous
adjective
sleepy; heavy with drowsiness, as the eyelids.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
How sickening, how dark the dreadful leisure Of weary days, made deeper exquisite, By a fore-knowledge of unslumbrous night!
From Endymion A Poetic Romance by John Keats