After undergoing ur fathers case i understood that he got stoke on right side of the brain so he got hemiplegia
on left side that's why they are not working normally...
He should undergo physiotherapy
so that physiotherapist will do passive movements to left hand and legs after when he get a desired range physiotherapist will suggests active movements which he has to do thrice a day regularly until he recovers...
coming to sleeplessness
of ur father it is quite natural in so many of strock patients and as u said that he is not sleeping after having zolfresh
10mg means that dose was not working to him so consult the physician with whom ur father is undergoing treatment for futher assistence reply me