Quick Win: Nocturnal Edge Protocol
What the science shows: Lowering your core body temperature by 1–2°C triggers melatonin release and helps you fall asleep faster. Researchers at the University of South Australia found that warming up with a hot shower about 90 minutes before bed actually accelerates cooldown later, because the warm water opens up blood vessels (vasodilation), so your body sheds heat more efficiently. This trick can cut your sleep onset time by up to 36%. (1/4)