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Sleeping in on weekends: maybe not as bad as previously thought
People who compensated for sleep deprivation with catch-up sleep did not have an increased risk of mortality. People who consistently slept too little without ever making it up did
Jorge Marten Groen
May 122 min read


She sleeps four hours a night with the help of a pill. She’s 95
Chronic insomniacs are treated harshly in the media. We’re told that six hours of sleep damages the brain, weakens the immune system, and causes the heart to fail. That the risk of depression increases. And yet, some people still make it to 95 just fine
Jorge Marten Groen
May 73 min read


Going to the doctor with sleep problems: a logical start but not always the end
Doctors prescribe sleeping pills to one in two people who suffer from insomnia. Sleeping pills do have an effect. They calm you down. They make you drowsy. Sometimes you suddenly sleep through a few hours again. That can feel like a relief. You might sleep better, but the confidence that you can do this on your own gradually fades into the background.
Jorge Marten Groen
Feb 183 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


Do sleep supplements work? What science says (Part 1)
I will elaborate a bit more on popular sleep supplements. This is based on an article in The Washington Post, which evaluated recent scientific research on the possible positive effects of five supplements often used to improve sleep: melatonin, magnesium, probiotics, vitamin D, and ashwagandha.
Jorge Marten Groen
Aug 12, 20253 min read


Cannabis, sleep and anxiety
I sometimes see people turn to cannabis to help them sleep better. Some are enthusiastic about it—they sleep more deeply, feel calmer, and function better during the day. Others notice little difference or even feel worse. Why does it work for some but not for others?
Jorge Marten Groen
Jul 24, 20252 min read
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