Sleep anxiety happens when worry or stress makes it difficult to fall asleep or stay asleep. For many people, it shows up as racing thoughts at bedtime — replaying the day, worrying about tomorrow, or stressing about not getting enough sleep. Over time, the bed itself can start to feel like a place of pressure rather than rest. For some, sleep anxiety is closely linked to hypervigilance . When the nervous system stays on high alert, the body struggles to fully relax, even at