Final answer:
Hallucinogens are drugs that result in profound alterations in sensory and perceptual experiences, including vivid hallucinations and a skewed perception of time.
Step-by-step explanation:
The drug that causes a loss of contact with reality and distorted sensory input is most likely a hallucinogen. Hallucinogens are a class of drugs that result in profound alterations in sensory and perceptual experiences. They can cause vivid visual hallucinations, hallucinations of body sensations, and a skewed perception of time.