Stephen Paddock once discussed his bizarre “creature of the night” lifestyle in a 2013 deposition that has surfaced in the wake of last week’s horrific mass shooting in Las Vegas.

“I’ll gamble all night,” he said in the deposition. “I sleep during the day. I do not do sun.”

Citing Paddock’s habits outlined in the deposition, psychologist Dr. Jeff Gardere called it “Batman syndrome.”

“Here is someone who lives at night, lives in the shadows, shuns the daylight, feels his greatest strength in the evening,” he told Inside Edition. “Basically is not a person who exposes himself to sunlight.”

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