Have you ever had a full night of sleep and still woken up exhausted? If you answered yes to that question, odds are there are ways that you can improve your sleep quality. When it comes to the current state of our sleep, most people in our society are getting very low quality sleep due to certain daytime or nighttime habits or environmental conditions in their room. Even if they are asleep for seven, eight, or even nine hours, they are still waking up exhausted because they're not going into that deep stage of sleep that's necessary to feel refreshed when they wake up.

Before diving into how to get better sleep, it's very important that you understand how sleep actually works. Throughout the night, we go through (approximately) 90 minute sleep cycles. During each of these cycles, we enter 4 different stages of sleep (1):

Stage 1 NREM: In this stage, your body is just beginning to slow down. Not much else is happening.

Stage 2 NREM: Same for this stage. Nothing is really happening t