1691. There are as many as 10,000 specific types of neurons in the brain

1692. Your brain needs a constant supply of oxygen.

1693. Cooler the room, scarier the dreams.

1694. True friends stab you in the front.

-Oscar Wilde

1695. 75% of people try to fall back asleep in the morning just to finish their incomplete dream.

1696. As little as five minutes without oxygen can cause some brain cells to die, leading to severe brain damage.

1697. Nightmares are mostly caused by sleeping in an extremely cold room temperature.

1698. Babies have big heads to hold rapidly growing brains.

1699. A 2-year-old's brain is 80% of adult size.

1700. As any parent can attest, teenage brains are not fully formed.