Kindly  follow the advice of your health care provider. Such medications should be tapered  gradually before stopping. In case of any unwanted/ unexpected  effects, kindly consult a Psychiatrist for advice on further treatment.

Clonazepam should be gradually tapered. Dont worry about severe withdrawal that would happen only on acute stoppage.

You require to be assessed for the cause of your insomnia and to rule out presence of any other factors causing or aggravating it. Alternatively there are other treatment options available which have a less habit forming potential than clonazepam so if your problem persists then it can be remedied in many different and safe ways

You should slowly taper to 0.25 mg and then you can stop it, because it needs time to adjust for you, so please follow it