Light sleep vs rem vs deep sleep8/29/2023 Psychology Today defines deep sleep as “… a time of nearly complete disengagement from the environment.” A deeper sleep is also known as delta sleep, slow wave sleep or N3. However, light sleep is still a necessary sleep stage for proper brain activity. There is no specific amount of time needed in this phase since it’s not as refreshing as deep sleep. Typically as people age, they spend more time each night in light sleep. We are able to fall asleep and dream during this stage, but the dreams are not as intense as they are during REM sleep. The second stage of light sleep consists of over half of our time asleep each night. The first stage of light sleep is a transition phase and only makes up about 3% of our total sleep time most light sleep happens in the second stage. Light sleep may not sound very important, but it is a part of our sleep cycle that we need to wake up feeling refreshed from restful sleep. Light sleep is a non-REM or NREM sleep stage, and it’s easiest to wake up during this time. Read on to learn more about light and deep sleep and what happens during each stage. Additionally, each stage has an effect on your dreams, overall brain function, and repairs your body for the next day. Each sleep stage serves an important role in regulating your circadian rhythm so that you feel well-rested in the morning. Light sleep and deep sleep are two different stages of sleep that everyone experiences. So what does this mean and what exactly is the difference between the two? But everyone experiences both light and deep sleep in their circadian rhythm. Meanwhile, proclaimed deep sleepers could sleep through a screaming baby using a jackhammer. You’ve probably heard of self-proclaimed “light sleepers” being awoken by the faintest noise or experiencing sleepless nights from difficulty falling asleep. Most people would attribute the quality of their rest to what kind of sleeper they are. This means we spend different amounts of time in several sleep stages, and as a result, may wake up still feeling tired, or if we’re lucky, will open our eyes feeling energetic and ready for the day. That being said, most of us have different sleep phases each night. It can’t be argued that a night’s sleep is an important time for our bodies to recover and re-energize.
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