It is recommended that you lay the person down and elevate their feet. Most people will recover quickly after fainting once they lay down because more blood can flow to your brain. It also helps to loosen any constrictive clothing. A person who faints usually will not suffer any long-term health effects.

How long after fainting can you go to sleep?

This may prevent a loss of consciousness. Fresh air can also help, especially if you are feeling hot. If it is not possible to lie down, put your head down as low as possible. If you do faint, remain lying down for ten minutes.

How long does it take to wake up after blacking out?

A person should wake up and be alert less than 1 minute after fainting. They should feel normal within 10 minutes after fainting. If the person does not wake up within 1 minute, it is not just a fainting spell.