I assume everyone with leg cramps below the knee knows if it is a calf cramp, simply get out of bed and stand on the leg for a minute or less and it will go away. I usually get rid of them in about ten seconds or so. When I get hit with double calf cramps at same time it is harder because you have to watch slipping when half awake. All the other stuff, rubs, stretch, water, electrolytes should also be part of your antii-cramp diet. If the cramps are on the side of the calf, it is much harder to get rid of them and standing helps some but will not stop them. Usually I have to find heat because these cramps last many minutes, not seconds. I used to get groin cramps but when I stopped playing pickleball they went away.