If you woke up this morning feeling refreshed and energized, chances are you had plenty of N3 sleep. N3 is the third stage of sleep, and the deepest and most restorative of all
About Sleepopolis and JAKK Media
Sleepopolis is a JAKK Media property dedicated to helping people around the world get a better night’s sleep. We cover a wide range of sleep and recovery topics, including in-depth reviews on mattresses and other sleep products, sleep industry news and events, and research-focused content on sleep science and wellbeing (which we call Sleep Education). Our goal is to help readers make better, more informed decisions regarding their sleep and rest.
Our writers specialize in sleep topics, and the majority of our reviews focus on their in-person experiences with and testing of products. In order to promote accuracy in our content, Sleepopolis features a robust Expert Network to help verify much of the content you see on the site, including both reviews and Sleep Education. This network consists of board-certified physicians, physical therapists, other medical professionals, researchers, and innovators in the sleep space. Content that has been expert verified is indicated with a blue checkmark at the top of those pages. We also work to keep our content up-to-date and indicate the day of the most recent editorial updates at the top of our articles.
When you think of physical therapy for injuries, do you think of getting a good night’s sleep? I didn’t — that is, until I talked to Sleepopolis Expert Dr. Keith Poorbaugh, owner of
If you’ve learned something new recently, chances are your newfound knowledge was committed to memory during the N2 stage of sleep. Memories are formed and learning takes place during N2, the second stage of
Sleep specialist and clinical psychologist Dr. Shelby Harris has talked about sleep on every major news network, written countless articles on the subject, and is now sharing her extensive knowledge with Sleepopolis for
To some of us, the first few minutes we spend falling asleep don’t really feel like sleep. Our minds may feel active and we may have brief, non-sensical thoughts that aren’t quite like
Most of us know how it feels to wake from a nightmare: the clammy palms. The racing heart. The frightening, life-like images. Though they aren’t real, nightmares can be terrifyingly vivid. For those
Meet Natalie Nevares, founder of Mommywise, a business dedicated to sleep training babies in as little as three days.
The purpose of dreams has been a subject of speculation for thousands of years. Greek philosopher Aristotle believed that dreams occurred because of residual movements of sensory organs, while psychiatrist Sigmund Freud theorized that
If you’ve ever been aware that you were dreaming before waking from a dream, you’ve experienced what’s known as a lucid dream. While some dreamers are able to control what occurs in the
The mystery of dreams has captivated people for millennia. Questions abound about their nature and purpose. Are they messages from the subconscious? Repressed desires? Random and meaningless firing of neurons in the brain?
Nodding off during a meeting or while riding on public transit is a common experience. Though many of us think nothing of dozing for a few moments while reading a book or waiting
Sleep was once believed to be a passive state, (1) a shutting down of physical and mental functions that allowed the body to recover from the day’s activities. All of that changed in the
The Sleepopolis team is a group of sleep enthusiasts that will bring you the latest reviews, news, and analysis on all things sleep. Originally Sleepopolis started with mattress reviews, but we have big plans to expand going forward! We’re so grateful to you (our readers) for taking the time to appreciate our hard work, and we hope that we repay you by helping you best tackle the most important (and often least thought-about) 8 hours of the day.