A menu-bar utility that prevents clamshell sleep with no external display attached, paired with a live thermal-safety layer that auto-stops before things get too hot.
What it does
Prevents clamshell sleep with no display, power or keyboard attached.
A live thermal layer watches the heat and auto-stops before it gets unsafe.
Tells you how long closed-lid is safe right now, based on the machine's state.
Set it and forget it, safely.
One switch. No dock icon, no subscription.
Screenshots


Recent releases
Full Insomniac changelog →Honest alternative: we also list Amphetamine on the Discover shelf, the gold standard for keeping a mac awake. See the comparison.
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