Buy Valium 5 mg online, Valium 5mg oral tablets can slow down your brain’s activity and interfere with your judgement, thinking, and motor skills. Reasons why it’s Valium for sleep. To help with the dosage of valium, Diazepam 5mg. If any additional dosage such as Valium 10 mg, it should be for maximum beneficial consumption. Valium has effects if used wrongly.