| drowsy(adjective, inactivity, awareness, sleepy) |
| sleepy(adjective, dull, quiet, slow, heavy) |
| somnolent(adjective, inactivity, awareness, sleepy) |
| nodding(noun, adjective, dull, quiet, tired) |
| lethargic(adjective, quiet, slow, heavy, tired) |
| slumberous(noun, adjective, dull, quiet, slow) |
| soporific(noun, adjective, dull, quiet, slow) |
| stupid |
| dreamy(adjective, careless, tired, inactivity, distracted) |
| napping |
| sluggish(adjective, quiet, slow, heavy, tired) |
| tired(adjective, dull, quiet, lethargic, sleepy) |
| comatose |
| dull(noun, adjective, quiet, tired, lethargic) |
| heavy(adjective, quiet, slow, tired, inactivity) |
| torpid(adjective, quiet, slow, heavy, tired) |
| yawning(adjective, dull, quiet, slow, heavy) |
| dozing |
| drowsing |
| oscitant |