Maybe try not to have direct fan blowing to your legs or lower d aircon temp. That's for my case that is. I was too tired and jz slept without adjusting d aircon temp and woke up with that awful cramp, tried to shake it off but no choice had to wake up my husband forcefully. Usually it works when i shake it off and quickly sit up. But that nite, bcz of the full blast aircon, i couldn't
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