When most people make a mistake that really bruises their ego, they’re usually able to brush it off eventually — unless they have insomnia, that is. The Netherlands Institute for Neuroscience published new research in the journal Brain that found that people with insomnia can’t get rid of emotional distress, according to a news release. The researchers’ findings show that one of the causes of insomnia might be related to brain circuits in the brain that regulate emotions, the news release said.
Be prepared to cringe. The researchers took MRI scans of participants’ brain activities while they thought about their most embarrassing experiences that happened decades ago, according to the news release. The people who slept well were able to “neutralize” those memories, the news release said, while the people who experienced insomnia couldn’t do the same. The researchers say their findings might suggest insomnia could be caused by the inability to quell emotional distress, which could explain why insomnia is one of the leading risk factors for developing mood disorders, anxiety, and post-traumatic stress disorder, according to the news release.
“Sayings like ‘sleeping on it’ to ‘get things off your mind’ reflect our nocturnal digestion of daytime experiences,” Rick Wassing, first author of the study, said in the news release. “Brain research now shows that only good sleepers profit from sleep when it comes to shedding emotional tension. The process does not work well in people with insomnia. In fact, their restless nights can even make them feel worse.”
The brain imaging shows that one of the causes of insomnia might be brain circuits in the brain responsible for regulating emotions, the news release says, and these circuits contain risk genes for insomnia that might not always activate properly during rapid eye movement (REM) sleep. “Without the benefits of sound sleep, distressing events of decades ago continue to activate the emotional circuits of the brain as if they are happening right now,” the researchers said.
These new brain image findings support similar findings the same research group recently published in the journal Sleep, which found that people who experience insomnia felt more shame after a night of restless sleep. The researchers in that study made participants feel embarrassed and self-conscious by having them sing karaoke without being able to hear themselves (ouch), and then had them listen to their out-of-tune recordings, according to the news release. The people who slept well got over their feelings of embarrassment, the news release said, but the people with insomnia felt more upset the next day.
People with insomnia have trouble falling asleep, staying asleep, or they wake up earlier than they want to, according to the National Sleep Foundation. But if you’re struggling to get a good night’s sleep on the regular, there are things you can do to try to get some quality rest. The National Sleep Foundation recommends giving yourself around 30 minutes of wind-down time before bed to relax, including shutting down those electronic devices so you make it easier for your brain to fall asleep. But if it’s been more than 20 minutes and you still can’t fall asleep, the National Sleep Foundation says to get up and do something relaxing, like listen to music or read a book.
If emotional distress is keeping you up at night, you’re definitely not alone. You can try some sleep hygiene tips to calm your mind, and if that doesn’t work, you can talk to your doctor or a therapist about ways to help you get a better night’s sleep. Just remember that you’re not destined to toss and turn forever, because there’s help available if you need it.
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