I do occasionally trade the 4 - hour time frame as well, but even that is much slower than something like a 5 - minute chart. (dailypriceaction.com)
The area of interest visible on the 4 - hour time frame held as expected and this lines up with a falling trend line connecting the latest highs. (dailybitcoinnews.com)
Based on the results that I've seen and experienced, the eighteen - hour time frame seems like a good choice because you still get to eat every day. (westonaprice.org)