Sleeping problem

[Teddy6789]

Hi i hope someone may b able to shed some light on this as its really starting to get me down.every night i go to bed,and as soon as im about to nod off i get a sensation in only my feet and hands which then makes me clench them and cant sleep .as soon as i get up its gone so i sit up for an hour go back to bed and sure enough same prosses .sometimes ill get an hours sleep and then be woken with the same sensation .i run my business and family but dont consider myself stressed about anything .i have a drink on weekends ,dont drink much coffee , eat faily healthy .ive taken all sorts of sleeping aids , nothing works and im at a dead end please help! I al also have a crushed disc ive gad for 15 years and suffer with back pain faily i take codein and other pain killers most days .any advise would be highly appreciated. Thanks