During REM sleep, pulse rate and breathing become... - Deepstash
<ul><li>During REM sleep, puls...

  • During REM sleep, pulse rate and breathing become irregular, eyes move rapidly under closed lids, and muscles remain very relaxed. Genital arousal also happens during REM. In women, the clitoris becomes swollen with blood, and vaginal lubrication increases. In men, the penis becomes erect. EEGs show mostly beta waves during REM sleep. Although dreaming happens in other sleep stages as well, dreams are most vivid and frequent during REM sleep.

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REM

REM

Rapid Eye Movement or REM follows after the four stages of NREM (non-REM) sleep and occupies about one-fifth of total rest time in adults.

During REM, all vivid dreaming takes place. Our internal temperature is at its lowest. Our heart rate increases and our breathing is irregular. Gen...

Sleep Stages

Sleep Stages

  • Stage 1. Your breathing slows as well as your heartbeat, eye movement, and brain wave activity. Your muscles begin to relax.
  • Stage 2. Your breathing, heartbeat, and brain wave activity continue to slow. Eye movements stop.
  • Stage 3....

Rapid eye movement (dreaming) - REM

Rapid eye movement (dreaming) - REM

Dreaming accounts for 20% of our sleeping time.

The length of dreams can vary from a few seconds to almost an hour. During REM sleep, the brain is highly active. The muscles are paralyzed, and the heart rate increases. Breathing can become erratic. 

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