![]() This creates temporary paralysis in the arms and legs, to avoid the body acting out your dreams. Brain activity in REM sleep is similar to when you’re conscious.ĭuring REM sleep your body becomes relaxed and immobile as your brain sends signals to the spinal cord to shut off movement. Your body temperature may also fluctuate. This is the stage when you may experience vivid narrative dreams that can increase your heart rate and respiratory rate. Rapid eye movement or REM sleep is identified by movement of the eyes under their lids. REM and deep sleep have distinct characteristics Including brainwaves, heart rate and respiratory rate. Blood flow increases to help repair muscles and bones, balance metabolism and blood sugar levels, and strengthen the immune system. This is the reason it’s also called slow wave sleep ( SWS).ĭeep sleep is the stage where the body restores itself physically. Additionally, your body may move during this stage of sleep and your eyes turn upwards under their lids.īrain waves are the slowest during deep sleep. In deep sleep your heart rate may be 20-30% slower than your waking resting heart rate and your respiratory rate can slow as much as 15% compared to your normal waking breathing rate. Deep sleep is characterized by a slow, steady heart rate and slow respiratory rate. Deep Sleep Characteristicsĭeep sleep is the second stage of sleep, after light sleep. ![]() This stage is also associated with experiencing vivid dreams. During REM sleep, your brain is highly active, hence the name “rapid eye movement”, and your heart rate and respiratory rate increase. REM sleep, on the other hand, is the “mentally restorative” stage of sleep where your brain converts short-term memories into long-term ones. This stage is responsible for the production of 95% of human growth hormone. Deep sleep, also known as the “physically restorative” stage of sleep, is when your muscles and tissues repair themselves while your cells regenerate. There is often confusion between deep sleep and REM sleep, despite their differences. REM sleep you’re getting each night to better understand the quality of your sleep. Deep sleep and REM sleep are both important stages in the sleep cycle, but they support your body and mind in distinct ways and have different identifying features.
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