We're all geniuses in one way or another, but some of us may have a higher IQ than we think. Studies have found certain traits that are linked to a higher IQ, and here let's look at 12 of those signs of being smarter.
Studies have found that the need to sleep per hour decreases as intelligence increases. Those who sleep later and get up later tend to be more successful.
The higher intelligence, the fewer sexual partners. Smarter people have reached a point beyond the evolutionary norm of wanting to pass on their genes to as many people as possible.