Ativan (lorazepam) is a commonly prescribed medication for anxiety, insomnia, and other related conditions. Understanding Ativan how long does it last is important for safe and effective use. Typically, Ativan’s effects can last 6 to 8 hours, but the duration may vary depending on factors like age, weight, metabolism, and dosage. For personalized advice, it is always best to get guidance from trusted experts such as licensed healthcare providers or certified pharmacists.