How Long Between Clen Doses?

Second clen question lol. I’m going to be running clen for the first time in a few days. Going to increase dosage by 20mcgs. I learned you can not take the whole clen dosage at once. So my question in when I get up to the 60 and 80mcg marks, how long should I wait between doses? Like I said in a earlier post, this is my first run with clen and I know how much of a beast it can be so I want to have all my facts straight. Anyone with some good experience, I would love to hear your advice. Thanks in advanced.

I take mine in 3 divided doses (20mcg-3x/day) about 5 hours apart; not sure if that’s optimal but it hasn’t been messing with my sleep too badly that way (aside from the first week).