roof leak or condensation 2

https://wool-wiki.win/index.php/How_to_Spot_an_AC_Condensate_Leak_Ceiling_vs._a_Roof_Leak

Waking up to a wet patch on the ceiling is a lousy way to start the day. Is it a roof leak from a missing shingle, or just condensation from poor attic ventilation? Running a bead of caulk around the skylight or checking the attic insulation can help you tell the difference, saving you from a bigger headache.