WordNet (r) 3.0 (2006):

stuporous
    adj 1: stunned or confused and slow to react (as from blows or
           drunkenness or exhaustion) [syn: dazed, foggy,
           groggy, logy, stuporous]

Moby Thesaurus II by Grady Ward, 1.0:

40 Moby Thesaurus words for "stuporous":
   anesthetized, cataleptic, comatose, doped, dozy, dreamy, drowsy,
   drugged, drugged with sleep, half asleep, heavy, heavy with sleep,
   heavy-eyed, in a stupor, languid, lethargic, napping, narcoleptic,
   narcose, narcotized, narcous, nodding, oscitant, out of it,
   sedated, sleep-drowned, sleep-drunk, sleep-filled, sleep-swollen,
   sleepful, sleepy, slumberous, slumbery, snoozy, somnolent,
   soporific, stretchy, stuporose, yawning, yawny