When I wake up in the middle of the night, I see white objects like: curtains, box type objects, white tiger, and today I woke up and saw a white cobra snake. This has been going on for about l month now. I had surgery August 15th of this year. I only have it during the night. They are so real, that I have tried to reach and touch the. I have been diagnosed with anxiety and depression, Is this something I needed t worry about