Many people who are settling down for a good night's sleep will occasionally have a rude awakening in which they feel like they are falling and then become fully awake.A 'hypnic jerk' or a ' monoclonic jerk' occurs when you are ready to fall asleep and abruptly experience the sensation of falling and jerking awake.?
This occurs as we fall asleep and our body reduces muscle function because we will not require it throughout our rest.Then, as you're drifting off, you feel like you're falling and give an involuntary jerk, waking you right up again.
Experts aren't sure what causes this, with some speculating if it's because you're not well-rested and ready for bed before going to sleep.?
TikToker Dr. Z discussed some of the science underlying this, as well as potential causes of being jolted awake.?
"Things like stress or lack of sleep," he answered when asked about the various causes of a hypnic jerk."Too much caffeine has also been shown to cause hypnic jerks.?But the neuroscientific explanation for this is that when your brain is transitioning from a state of wakefulness to a state of sleepiness it can sometimes misinterpret the signal as potentially falling."
There you have it; while you fall asleep, your brain occasionally believes you are falling and decides all hands must be directed to action stations.In response, the brain causes the body to jerk awake, which is why people feel as if they are falling and then wake up.?
According to the TikTok doc, some experts believe this is an evolutionary adaptation to ensure that a person can respond to risks in a timely manner.?
He stated that, in general, this is not something to be concerned about because it is very normal, but if you are really concerned, you should consult a medical practitioner.?
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