Magnesium fades, and your muscles declare a mutiny; your legs practice tiny earthquakes

https://www.scribd.com/document/1025037001/Three-Hours-of-Sleep-Hidden-Costs-of-Short-Nights-190146

Magnesium fades, and your muscles declare a mutiny; your legs practice tiny earthquakes, your shoulders groan like rusty gates, and your brain hosts a restless sitcom.