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Always switched on: how hyperarousal sabotages your sleep
People with insomnia have a specific tension profile, in which sleep-related and anxiety-related forms weigh most heavily. This explains why insomnia can be so persistent
Jorge Marten Groen
May 43 min read
If you’re last on your own list, you often end up paying the price at night
When you’re under pressure your body enters a state of alertness. The stress hormone cortisol keeps you vigilant. That’s useful in urgent situations, but the brain doesn’t distinguish between a caregiving task tomorrow morning and a lion around the corner. Under stress, the body remains in a heightened state of readiness, which prevents proper recovery during sleep. As a result, you either don’t get enough sleep or the quality of your sleep declines.
Jorge Marten Groen
Apr 283 min read


Showering in the dark is going viral, and I can see why
On TikTok and Instagram, it’s showing up more and more: people showering in the dark shortly before bedtime. Just warm, running water and darkness. They claim that dark showering helps them fall asleep faster. Is that true?
Jorge Marten Groen
Apr 242 min read


Music can help you sleep better – give this playlist a try
Various scientific studies confirm that listening to music before going to sleep can improve sleep. This is especially true for people with mild to moderate sleep problems.
Jorge Marten Groen
Apr 12 min read


The viral ‘Dutch method’ sleep hack gets one important thing wrong
The ‘Dutch Method’: A viral sleep trend that misses the science
Jorge Marten Groen
Mar 313 min read


How to improve your sleep hygiene with Droomtroost's guidance
Good sleep is rarely the result of luck. More often, it reflects a pattern of choices, signals, and rhythms that either support rest or quietly undermine it.
Jorge Marten Groen
Mar 304 min read


How to quiet your brain at night: the power of the cognitive shuffle
Lying awake is rarely a matter of not being tired; it’s often a matter of not being able to stop thinking. Rumination — endlessly chewing over thoughts — keeps your system alert when you want to switch off. One technique that tries to break this pattern is the cognitive shuffle, developed by cognitive scientist Luc Beaudoin
Jorge Marten Groen
Feb 162 min read


Jetlag? Here’s how to let your internal clock fly along smoothly
You can reduce the effects of jet lag with a few smart hacks.
Jorge Marten Groen
Sep 16, 20253 min read


1 in 5 people relax with ASMR, so maybe you do too
For people with insomnia, ASMR can be a useful addition to a bedtime routine. It signals to the body that it’s time to sleep and helps release racing thoughts. Research shows that those sensitive to ASMR have a more active brain region associated with relaxation
Jorge Marten Groen
Sep 15, 20252 min read


Do sleep supplements work? Here's what science says (Part 2)
I want to focus on 5 commonly used sleep supplements that you can easily find at your local drugstore: valerian, L-theanine, tryptophan, 5-HTP, and zinc. Each of these has its unique properties, but, as always, it's important to take a critical look at supplements before fully relying on them
Jorge Marten Groen
Aug 29, 20254 min read


Yoga: apparently good for sleep
Yoga combines movement, breathing, focus, and relaxation. This appears to reduce stress and positively influence your nervous system. Interestingly, it's not about the gentle, slow yoga, but rather more intensive forms like power yoga or vinyasa flow
Jorge Marten Groen
Aug 26, 20252 min read


Give yourself a sleep routine, your awake brain will thank you
A sleep routine helps signal to your brain and body that it’s time to wind down. By repeating the same calming habits each day, you reduce stress, fall asleep more easily, and improve the quality of your sleep.
Jorge Marten Groen
Aug 11, 20252 min read


The beneficial effect of yoga, Tai Chi and walking on your sleep
Which forms of physical activity are the most sleep-inducing? Research by an international team, drawn from several Asian universities, provides the answer.
Jorge Marten Groen
Aug 9, 20252 min read


I can't function without sleep or can I?
Negative sleep beliefs contribute to more stress and tension in bed, worrying about sleep and poorer sleep quality
Jorge Marten Groen
Jul 22, 20252 min read


The harder we try to sleep, the harder it becomes
Forcing sleep rarely works. It’s precisely by letting go of control and accepting the natural rhythms of our bodies that we can experience better sleep.
Jorge Marten Groen
Jul 10, 20252 min read
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