disoriented
Definitions
Confused or unable to think clearly, especially regarding one's surroundings or sense of direction.
Having lost one's sense of direction or position in relation to the environment.
Examples
After waking up from the long nap in a dark room, she felt completely disoriented for a few minutes.
The hiker became disoriented when the thick fog rolled in and obscured the trail markers.
Synonyms
confused bewildered dazed lost muddled disconcerted perplexed