I've been taking 5mg of valium at night for 2 months. the past 11 days i have used only 2.5 mg at night. i want to stop it now. is this a safe taper?

Yes it's safe : For few days you can use as needed if become anxious not able to sleep. You can take it.

Probably: You should speak to the md who has prescribed the valium (instead of relying on someone like myself who doesn't know your history), who can give you the best advice as to how slowly you should taper it.

You look to be: Really motivated and making effort to get off this habit forming medication . You are on the right track . I will suggest to take the half of the 2.5mg at night for another week , then take the same dose every other day for another week and sop it . To start with the dose you were on is low even though you took it for 2months . You have a very high chance of coming off it with out any problem.