My father age 73 with bp and diabetese his facing problem of not able to sleep at night. He is only having sleeping problem not any anxiety issue as per doctor advised I have given him ativan 1 yesterday night around at and he slept around 12 that night after that till today he is facing sleepiness, earlier he has given zolfresh 5 ,I want to know among zolfresh5,clonozepam 0.25 , and ativan 1 which is safest for sleeping only and doesn't have after effects next day