There is a particular kind of loneliness that has nothing to do with being alone. It arrives in crowded rooms, in family dinners, in group chats that never stop buzzing. It is the loneliness of being surrounded by people and still feeling unseen.

Ever push through a full day without a real break, only to feel achy and drained by evening? That's not just tiredness — it's your body flagging a buildup of fatigue-related waste in your muscles. Here's what's actually happening when you skip rest, and simple ways to avoid it.