Each Xanax gives +250 energy (cap 1000) and shares one drug cooldown with every other drug. Set a start point, a target, and this lays out exactly when to dose.
Configure your stack
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Xanax cooldown typically randomizes 6–8h per dose — enter what you're actually seeing in-game.
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SMTWTFS
Take your last dose this many minutes before the target, to leave room to actually spend the energy.
Your stack schedule
Doses needed
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Last dose time
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Projected energy after final dose
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Also worth knowing: each Xanax adds +75 happy alongside the energy, applies a −35% battle stats penalty for the duration of the cooldown, and adds addiction points that decay over time (or can be cleared faster at a rehab clinic). Overdose chance is random per dose and isn't affected by how you stack.