5/4/2023 0 Comments Rem vs deep sleep![]() Your eye movement stops completely and your body temperature decreases. Your heart rate and respiration decrease even further. You can still be awakened, but it is more difficult than in stage 1. Approximately 50% of your total sleep time is spent in this stage. Stage 2 NREM SleepĪdults spend most of their sleep time in stage 2 NREM sleep. As you transition to sleep, your heart rate, respirations, and eye movements will begin to decrease. When you are awoken from stage 1 sleep, you may not even realize you were asleep.ĭuring stage 1 NREM sleep, your muscles start to relax and your brain activity slows. In stage 1 NREM sleep, you are susceptible to being woken up easily. This typically only lasts a few minutes, although adult men tend to spend more time in stage 1 sleep. The first stage of sleep is when you transition from being awake to a light sleep. But during REM sleep, many of your body’s processes are similar to a waking state as your dreams become rich and vivid. Your body relaxes, your eye movements cease, and your heart rate and brain activity decrease. During NREM sleep, you move from a light sleep to a deep sleep. You typically begin the sleep cycle with three stages of NREM sleep. ![]() An adult spends the majority of the night in NREM sleep. Sleep can be divided into two broad categories: non-rapid eye movement (NREM) sleep and rapid eye movement (REM) sleep. Substances such as caffeine, nicotine and alcohol.Sleep disorders, including obstructive sleep apnea, narcolepsy, and restless legs syndrome.Medications, such as antidepressants or benzodiazepines.Sleep cycles can vary from person to person, as there are a variety of factors that can impact your cycle. The amount of time you spend in each stage of sleep will change as you progress through the night. In an eight-hour night’s sleep, you will usually complete the cycle four to five times. ![]() People typically cycle through the four stages of sleep every 90 to 120 minutes during the night. Understanding the Sleep Cycleĭuring sleep, our body repeatedly cycles through a series of four sleep stages, also known as sleep architecture. A healthy sleep cycle has many benefits, including helping your brain repair itself, strengthening your immune system, and improving your ability to learn. Each stage contributes to you feeling well-rested and restored in the morning. Waking up too early or waking up frequently during the night can impact the amount of time you spend in each stage of sleep.ĭuring a typical night, you will cycle through multiple stages of sleep. High-quality sleep is a vital part of your overall health. While it can be easy to focus on the amount of sleep you get each night, the quality of your sleep is also important.
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