What are hypnic jerks? The weird reason you might think you’re falling in your sleep

Sudden muscle contractions called hypnic jerks, experienced by up to 70% of adults, can disrupt sleep. These harmless 'sleep starts' often trigger dream scenarios of falling, jolting individuals awake. Stimulants, medications, and stress are common causes. Improving sleep habits, managing stress, and consulting a doctor for frequent disruptions are recommended.