I am a cocktail waitress so I'm on my feet all day. My legs and feet are fine during the day but its at night when I am almost asleep that my leg cramps and makes my toes curl upward. I think I have restless leg syndrome, could that be part of the reason why I get cramps? They also wake me up and the pain is excruciating!!!
Try taking magnesium an hr or two before bed. It can help stop cramping. Its most likely because you're on your feet so much. Do you wear comfortable shoes? One thing I've learned as a nurse, if you don't wear good shoes it will surely ruin your life, lol. The height of the heel is important. Sometimes a heel too low is as bad as a one too high.
I agree with kaismama. You may also be deficient in several vits and minerals, such as potassium, vit D, and all the B's, including the magnesium that kaismama mentioned. A deficiency in any or all of those (and others) can cause your legs, feet and toes to cramp (and curl) as you've described. Ask your doc for a blood test to determine if you are deficient in any vits and minerals, very important.
I also was a cocktail waitress and bartender in my late teens, I wore 3 inch heals whilst serving cocktails, wow, did my feet hurt by 2am! Do you wear heals while working? kaismama has also brought up the shoe situation, too, she is (as usual) right, the height of any heals is indeed very important. When (more like IF) you get a break, put on your sneakers or trainers to relieve the pain of wearing heals while working.
I'm having the exact same problem that you are having, my toes do this in conjunction with cramping calf muscles, tis painful indeed and can cause loss of much needed sleep! I find that if I change shoes, like when I wear 3 or 4 inch heals, I experience the cramping (and toe curling!) so very badly. Do you notice when you change shoes that your cramping gets worse?
You are not alone with this situation, I've a few friends on this site that also are having just what you are describing, even to the point where one friend's toes curl, too. Not a comfy situation, to be sure.
I wish you the best and do hope that you'll have blood work done,
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