Magnesium Deficiency and Hypnic Jerks: Understanding Your Sleep Twitches
https://www.scribd.com/document/1025215847/Understanding-Leg-Cramps-and-Magnesium-A-Guide-for-Readers-158837
What Are Hypnic Jerks and Why Do They Occur? If you've ever experienced a jolt just as you're about to fall asleep, rest assured you're not alone