Yes, the anti-inflammatory drug prednisone makes it difficult to sleep–that’s one of the side effects–but not only that, it takes my sense of time back to a childhood level: time slows down (so to speak), days seem longer, not as rushed.
As we age, we say that the years just keep going by faster and faster, and perhaps it’s age-related inflammation of the brain that makes us think that way: we feel like time has shortened or accelerated.