How Long Can You Survive In A Coma?

What is the longest time someone has been in a coma and woke up?

Elaine EspositoBornDecember 3, 1934 12 03 1934DiedNovember 25, 1978 (aged 43) Tarpon Springs, FloridaNationalityAmericanKnown forLongest period of human unconsciousness1 more row.

Can you survive a coma without life support?

In general, comas last just a few days or weeks. Patients either die or regain consciousness, or in some cases progress to a vegetative state. Vegetative state: The person has depressed consciousness, brain stem function and can breathe without support.

How long can you survive in a coma without food and water?

When someone is no longer taking in any fluid, and if he or she is bedridden (and so needs little fluid) then this person may live as little as a few days or as long as a couple of weeks. In the normal dying process people lose their sense of hunger or thirst.

Can someone in a coma hear you?

Additionally a person in a coma fails to respond normally to painful stimuli, light, or sound; lacks a normal sleep-wake cycle and, does not initiate voluntary actions, being unable to consciously feel, speak, hear, or move. Someone in a coma will also have very reduced basic reflexes such as coughing and swallowing.

Do you dream in coma?

Patients in a coma appear unconscious. They do not respond to touch, sound or pain, and cannot be awakened. Their brains often show no signs of the normal sleep-wakefulness cycle, which means they are unlikely to be dreaming. … Whether they dream or not probably depends on the cause of the coma.