Your survival would be extremely difficult and dependent on where you ended up. A thousand years ago (in the 11th century), the lack of modern medicine, the language barrier, and the harshness of daily work would have made life a constant struggle for survival. The chances of survival depended on some crucial factors: 1. The Language Barrier: Communication: Languages like Portuguese, English, or Spanish would be unrecognizable or would sound like alien dialects. Initial contact with people of that time could be met with great distrust or hostility. Literacy: Even if you knew how to read and write, it would be useless, as the alphabets and writing supports of the time would have been completely different. 2. Lack of Immunity and Medicine: Viruses and Bacteria: Without vaccines and modern antibiotics (such as penicillin, discovered only in the 20th century), a simple scratch or a dental infection could be fatal. Historical Diseases: You would be exposed to outbreaks and diseases that are now eradicated, which would require an ironclad immune system. 3. Practical Skills and Labor: Manual Labor: The world of 1026 was predominantly agrarian. Unless you had practical knowledge of subsistence farming, blacksmithing, carpentry, or hunting, it would be difficult to "add value" to a medieval community. Nutrition: The diet was based on what the land produced locally. You would have to adapt to eating what was available, without processed foods or modern comforts. In short: if you were left completely alone, your chances would be very low. However, if you were taken in by a community and managed to learn the local language and work techniques quickly, you would have a moderate chance of surviving, although with a standard of living far below what we are used to.