Usually its a sign of dehydration. Try increasing.your water intake and it could help! :)
I found that ready salted crisps worked magic :-) extra salt helped ease the frequency of the cramps and the intensity when I did get them. Before I had a packet in the evening I was getting them several times a night.
Shes right life saver tip, toes up and you will stop the cramp
When you feel the cramp coming stick out your heel not your toes. Life saver tip!!
Yep. Unfortunately. Ive been experiencing the same thing since around 25 weeks