muscle weakness with associated hypokalemia which is precipitated by stress, cold, carbohydrate load, infection, glucose infusion, hypothermia, metabolic alkalosis, anesthesia
[njms.in]
Attacks of skeletal muscle weakness may last from a couple of hours to a day. These tend to happen at night or in the morning.
[cedars-sinai.org]
which in turn leads to sodium (Na) inactivation, skeletal muscle weakness, or paralysis.
[cureus.com]