AP PSYCHOLOGY

Detailed explanation-1: -During REM sleep, your body is relaxed and your muscles don’t move. Sleep paralysis occurs when the sleep cycle is shifting between stages. When you wake up suddenly from REM, your brain is awake, but your body is still in REM mode and can’t move, causing you to feel like you’re paralyzed.

Detailed explanation-2: -Sleep paralysis is a normal part of the REM sleep. However, it is considered to be a disorder when it occurs outside of REM sleep. It can occur in otherwise healthy people, as well as in those presenting symptoms of narcolepsy, cataplexy and hypnagogic hallucinations.

Detailed explanation-3: -Stage 4: REM sleep This stage first happens about 90 minutes after you fall asleep. Your eyes move quickly from side to side during REM sleep.

Detailed explanation-4: -Stage 3. Stage 3 sleep is also known as N3 or deep sleep, and it is harder to wake someone up if they are in this phase. Muscle tone, pulse, and breathing rate decrease in N3 sleep as the body relaxes even further. The brain activity during this period has an identifiable pattern of what are known as delta waves.

Detailed explanation-5: -Stage 2: You are in light sleep. Your heart rate slows and your body temperature drops. Your body is getting ready for deep sleep. This can last for 10-25 minutes.