I have intermittent restless leg problems. Late at night I get a 'pressure' in my legs and it's hard to sit still (bizarrely, getting my partner to rub my back helps to soothe it!), but it can get very bad in bed. Sometimes I get acute insomnia and part of it is incredibly restless legs. I actually literally HAVE to move them or I feel as if I am going to explode. I tend to lie there rubbing one leg against the other to try and 'sedate' it, but that generates lots of friction heat which makes the insomnia worse! It is singularly joyless and highly frustrating.
However, after more than a week of it recently I wondered if it might be the Sucralose I am eating in stewed apples. We go and pick windfall apples every autumn, in a bit of urban foraging, and because they are small and full of bruises and worm holes we stew them up in big batches. I sweeten them with a generic Sucralose (Sucralose & Maltodextrin) sweetener. I only really eat sweetener on cooked fruit, so I don't eat it all the time.
I know there's a lot of nonsense spouted about artificial sweeteners, they are one of the most tested foods we eat, but to test my suspicion I didn't have apples for a day and lo and behold no RLS. I just wondered if anyone had read anything reliable (i.e. not health fad sites) about Sucralose or had experienced this personally. I'll just point out Sucralose is not Aspartame, in case anyone is confused, it's quite different - I find it far better in cooking.