With the semester drawing to a close, millions of college students are preparing to take their final exams.
If you don't quite fit in among the morning people or night owls, well, you might soon have your own, more relatable, sleep category.
Good sleep is incredibly important.
It helps you feel good and makes your body and brain function properly.
Some people have no problem falling asleep. However, many others have severe difficulty falling and staying asleep through the night.
Poor sleep can have negative effects on many parts of your body and brain, including learning, memory, mood, emotions and various biological functions.