You’re just beginning to drift off. Your body feels heavy, your thoughts soften, and then—suddenly—something strange happens. A jolt. A rush. A wave of heat, buzzing, falling, tingling, or pressure. Your eyes open again, your heart may beat faster, and your mind wonders if something is wrong.
Experiencing sudden body sensations when falling asleep is far more common than most people realize. And while these sensations can feel unsettling, they are rarely a sign of danger. More often, they reflect how the nervous system and subconscious mind respond during the delicate shift from waking to sleep.
This article is written for those moments—especially if you’re reading at night—when reassurance matters more than explanations, and calm understanding matters more than quick fixes.