Meredith Louden | Sleep Coach for Insomnia on Instagram: "Sleep supplements and even sleeping pills often don’t work the way you expect. 😴 Because your brain is far more powerful than any pill. If your brain thinks you need to stay awake at night to survive, it simply won’t let you sleep. And as extreme as it sounds, the survival part of your mind only understands one thing: life or death. So what’s really happening is this: Your brain is stuck in high alert mode, activating your fight-or-fligh

FDFD method in 2D. Repeat Problem 9.9, the system of scatterers... | Filo