Somnambulant

[ som-nam-byuh-leyt ]

adjective

1. resembling or characteristic of a sleepwalker; sluggish.

Examples of somnambulant in a sentence:

• After a night of partying, Angie appeared to be in a somnambulant haze at work the next day.  
• After taking his night medication, the somnambulant sleeper would end up eating ice cream while still asleep!