What’s really happening when you have a dream or a nightmare, anyway?
Every few months, I have a nightmare that jolts me out of sleep. I’m usually breathing heavily, covered in sweat, and convinced that I reallyjust racing through a post-apocalyptic landscape, or battling a shark, or trying to scream for help in a. Once my heart has slowed down and I’ve had a glass of water, I’m usually able to fall asleep again.
But what happens when your nightmares are more than just an occasional annoyance and actually interfere with your day-to-day life in some way? Here’s what you need to know about when nightmares are actually a problem—and what you can do about them.different sleep stages . Some schools of thought combine the third and fourth phases for four stages total, but the point is that you journey through different modes of sleep a few times every night.
REM sleep, which is when most of your dreaming occurs, usually begins for the first time around 90 minutes after you’ve dozed off, according to the. During this time, your eyes start to move quickly from side to side, and your breathing, heart rate, and blood pressure increase. Your brain wave activity is most similar to its daytime state during REM sleep than in any other phase. This heightened brain activity contributes to dreaming.
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