It is a tight fit for two adults and the same length as a twin. Two adults sleeping on a full size is equivalent to each person sleeping on a crib mattress (27 inches of sleep space). Most people with a sleeping partner opt for the queen size.
Caffeine has been added to medications that contain aspirin, acetominophen and other non-steroidal anti-inflammatory drugs (NSAIDs) at least since the â60s, but it wasnât until the â80s that it was proven to be an adjuvant analgesic itself, meaning it assists in the pain-relieving process of the main active drug.
Dr. Harold Urschel, chief medical strategist of the Dallas-based addiction-management company EnterHealth.com, author of Healing the Addicted Brain, and fellow Psychology Today blogger, told me: Caffeine is quite addictive in the sense that it is a psychoacive substance. It stimulates certain chemical systems in the brain and this keeps you awake. If you use it on a daily basis, you develop a tolerance, just as you would to pain pills or other drugs.