You're not imagining it. When the temperature climbs, something shifts — in your mood, your patience, your sleep, your sense of self. There's a particular kind of misery that comes with a heat wave that goes beyond being physically uncomfortable. It's the way a hot night can unravel you — lying awake at 2 AM, too warm to sleep, too tired to think, feeling every stitch in the sheet underneath you. The very air you breathe starts to feel oppressive, the idea of facing the world