Are half-elves sterile?
Assuming elves have the same number of chromosomes as humans a half elf would have 23 human ones and 23 elven ones. If elves don't have the same number, which is why mules cant breed (horses and donkey's don't have the same # of chromosomes), then yes, half elves would be sterile.
Can half-elf sleep?
The Half Elves' entry in the PHB(p. 39) does not give them the Trance trait. Thus, they sleep as normal for most races. Can drow and elves breed? When different sub-races of elves intermarried, there was an equal chance for the child to inherit either of the parents' traits. However, children born of the union between a drow and elf were far more likely to inherit the drow traits, and were more likely to parent a drow themselves.
What do half-elf drow look like?
A half-drow generally had dusky skin, silver or white hair, and human eye colors. They could see around 60 feet (18 m) with darkvision, but otherwise had no other known drow traits or abilities. Can half-drow have red eyes? Drow eyes could be of any color, with bright red being the most common. Pale shades that appeared nearly white of blue, lilac, pink, or silver were also frequent.
Why are elves always skinny?
Tolkien introduced his own ideas about higher and lesser races, and he imagined that there would be a corrupt race of orcs bred from a pure race of elves. Thus he made them tall and thin. Are elves vegan? In J.R.R. Tolkien's Middle-earth most Elves eat meat. The only Elves specifically said to be vegetarians were the Green-elves of Ossiriand. In Peter Jackson's Middle-earth, it's hard to find an Elf willing to eat meat.
How long can half-elf hold breath?
As per page 183 of the PHB: A creature can hold its breath for a number of minutes equal to 1 + its Constitution modifier (minimum of 30 seconds). Can sea elves breath on land? Unlike aquatic half-elves or even their full blood parents, all such offspring were fully amphibious, having gills that were hidden on their necks but being able to comfortably breathe air indefinitely.
Can an aquatic half-elf breath underwater?
That's not how aquatic half-elves work. You get the swim speed, but no ability to breathe underwater. The only reason to take aquatic half-elf is to get the swim speed.