Quick Answer: What Happens To You When You Are Unconscious?

What causes unconsciousness?

Unconsciousness can be caused by nearly any major illness or injury.

It can also be caused by substance (drug) and alcohol use.

Choking on an object can result in unconsciousness as well.

Brief unconsciousness (or fainting) is often a result from dehydration, low blood sugar, or temporary low blood pressure..

Is there a difference between coma and unconsciousness?

A coma is a prolonged state of unconsciousness. During a coma, a person is unresponsive to his or her environment. The person is alive and looks like he or she is sleeping. However, unlike in a deep sleep, the person cannot be awakened by any stimulation, including pain.

Do your eyes stay open when you faint?

Your eyes will usually stay open. Orthostatic hypotension: this is a fall in blood pressure on standing up, which can cause fainting.

Can a dying person cry?

Instead of peacefully floating off, the dying person may cry out and try to get out of bed. Their muscles might twitch or spasm. The body can appear tormented. … We squirm and cry out coming into the world, and sometimes we do the same leaving it.

What does unconsciousness feel like?

A person may be unconscious for a few seconds — as in fainting — or for longer periods of time. People who become unconscious don’t respond to loud sounds or shaking. They may even stop breathing or their pulse may become faint. This calls for immediate emergency attention.

How long is a person unconscious after fainting?

Usually, the person who has fainted will wake up within 20 seconds.

Is it OK to sleep after fainting?

Propping the person’s feet and lower legs up on a backpack or jacket also can help blood flow to the brain. Someone who has fainted will usually recover quickly. Because it’s normal to feel a bit weak after fainting, be sure the person stays lying down for a bit. Getting up too soon may bring on another fainting spell.

Why do coma patients cry?

A comatose patient may open his eyes, move and even cry while still remaining unconscious. His brain-stem reflexes are attached to a nonfunctioning cortex. Reflex without reflection. Many professionals speak of this condition as a ”persistent vegetative state.

Why does a dying person smell?

Smell: the shutting down of the dying person’s system and the changes of the metabolism from the breath and skin and body fluids create a distinctive acetone odour that is similar to the smell of nail polish remover. … This is known as Cheyne-Stokes breathing.

Do you feel pain while unconscious?

The unconscious person may still feel pain as they did when they were awake. For this reason pain medication will continue to be administered but perhaps by another method such as the subcutaneous route (through a butterfly clip in the stomach, arm or leg).

What is the difference between fainting and passing out?

Fainting happens when you lose consciousness for a short amount of time because your brain isn’t getting enough oxygen. The medical term for fainting is syncope, but it’s more commonly known as “passing out.” A fainting spell generally lasts from a few seconds to a few minutes.

Do people dream when they are unconscious?

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.

How serious is unconsciousness?

Complications of prolonged unconsciousness can be severe. Lack of oxygen to the brain may result in brain damage, and choking can lead to death if left untreated. Emergency first aid may also cause complications. For instance, CPR can sometimes cause fractured ribs.

What are the stages of unconsciousness?

Levels of consciousnessLevelSummary (Kruse)DeliriousDisoriented; restlessness, hallucinations, sometimes delusionsSomnolentSleepyObtundedDecreased alertness; slowed psychomotor responsesStuporousSleep-like state (not unconscious); little/no spontaneous activity4 more rows

Can unconscious patients hear?

Twenty-five percent of all unconscious patients can hear, understand, and emotionally respond to what is happening in their external environment. However, because of their medical condition, they are incapable of moving or communicating their awareness.