my father aged 80yrs is heart patient taking tab olmy 40,tab nebistar SA ,TAb aztor 40 recently he had a stroke small facal acute non haemorrhagic left thalamocapsular infarction in the perforator distribution according to MRI Scan he was discharged from hospital and is fine now he is prescribed all the above tab and tab clopitab A(75),tab citistar PM, tab pan 40 ,Tab homocheck after taking all he is found to be sleepy always hardly talk much and look weak please advise