Valium 10Mg Tablet (Diazepam) usually helps with sleep by making you feel relaxed and drowsy. However, some people may experience sleep disturbances, such as restless sleep, agitation, unusual dreams, or nightmares. How this medication affects you can depend on the dose, how long you have been taking it, and your individual sensitivity. If you notice that Valium 10Mg Tablet is disturbing your sleep, please talk to your doctor, who can review your medication and suggest adjustments or alternatives.