Home > Human Body > April 21, 2014 Human Body If your hand or arm ‘falls asleep’, you can often ‘wake it up’ by shaking your head. Share this:FacebookTwitterGoogle Related Posts We have been infected by so many viruses that 8% of our DNA is made up of them. A hug that lasts for 20 seconds releases oxytocin A condition called False Awakening occurs when you’re dreaming that you’re woken up, but still are in deep sleep. Hugging is a good medicine Sex and weed help in preventing migraines. A human brain produces as many as 12,000 to 50,000 thoughts per day Chewing gum makes your brain run more efficiently and more effectively. Hearing your name being called when no one has actually called your name is a likely sign of a healthy mind. The human brain (mass-tissue) does not have pain receptors thus brain surgery is performed while people are awake. Lack of sleep can lead to an increased desire for sex, depression and substance abuse.