Everyone has an opinion. Your mum has an opinion. Your mates down the pub have a loud, unsolicited opinion. There’s probably a bloke on TikTok in a lab coat who isn’t a real doctor also weighing in. But when it comes to the genuinely important question of should you wear underwear to bed, most of…

For most people, sleeping without underwear is the best default: it improves airflow, reduces heat and moisture build-up, and lowers friction on skin. If you do wear underwear to bed, choose loose, breathable cotton and avoid tight synthetics. The exceptions are practical ones: periods, discharge, incontinence, cold rooms, certain skin conditions, or anything that needs…