There are very few things in life that we can thank for getting us through the day: our friends, girlfriends, boyfriends, the count down to lunch. While of course, these are certainly on the list of things that make life easier, there’s something they don’t come close to. While they may put you at ease momentarily, there’s one thing to thank for saving your entire day. There are the four different types of naps you take throughout the week that you need to thank.

1. The power nap for actually making you feel powerful.

Not many people are fortunate enough to experience one of these bad boys. But for those who get out of class early with 17-minutes to spare before their next class, you are the chosen ones. The power nap is the most underestimated of all naps. Everyone desires those three hour naps, and not many go for the underdog. The power nap could range from 6 minutes to 30 minutes, and in that short amount of time, something magical happens.

2. The in-class nap for making those 90 minutes feel like 45.

This nap is hard to achieve, however. You need to be a pro napper to know how to pull off the in-class nap. You’ll see the rookies who go for this nap by leaning on one arm, and within approximately three minutes of their doze, their elbow is sliding off the desk and they give themselves whiplash from their head jerking so fast. If you can pull off the slouch in your desk with your hand properly covering your eyes (but you look like you’re just holding your head from all the knowledge you’re sealing in there) then you got this.

3. The coma nap for giving you a glimpse of what the afterlife is like.

This is the nap everyone longs for whether they’re 14, 21, 35 or 70. If people aren’t concerned about your whereabouts, well-being, and just flat out existence, you’re not doing the coma nap correctly. The coma nap lasts for a minimum of 2 ½ hours… and that’s being generous. The coma nap really should be about four hours. You should be able to get back with your ex, go hiking with your best friend, win an Olympic gold medal and break out your newest dance moves at the club in a series of dreams throughout the duration of the coma nap. You should wake up checking your phone to see if those texts fighting with your enemy actually happened in real life, or if you were just dreaming it.

4. The unintentional nap for being there when you least expect it.

These naps occur during procrastination, studying for a miserably boring subject, simply just laying down scrolling through your phone and while binge watching shows. You have no idea when this nap is going to take over, and you have no control when it does. You feel your eyes slowly closing, but you struggle to keep them up so you don’t miss the scene where Lucas and Peyton make out even though he’s engaged to Lindsey. And then you wake up and you’re already six episodes ahead. You may be aggravated at first, because you did not intend to fall asleep and you weren’t strong enough to keep your eyes from sealing shut. But then you take a moment to sit back and realize how grateful you are for this nap. Because of this, you can now stay up all night and watch two full seasons of the show in one sitting!