The night you cut your sleeping pill in half on your own: why did you sleep even worse?

That night has a name: "rebound insomnia"

Key points in 30 seconds

1. Sleeping worse than usual on a night when you suddenly cut down or stop sleeping pills is called rebound insomnia. Your body isn't broken; it's a predictable reaction.
2. A sleeping pill is an assist device that presses the brakes in your brain. With long use, the brain adapts to that assist, and its own ability to press the brakes weakens.
3. After a night like that, the belief that "I can't sleep without pills" hardens, you take them again, and then you try stopping suddenly again. Nowhere in this loop is there a step where your body gets better.
4. The American Academy of Sleep Medicine recommends sleeping pills for short-term use of 2–4 weeks, but reports say that in reality 65% of people with insomnia take them for more than a year, and 30% of those for more than 5 years. This means it isn't weak willpower; it's a medication that needs a method to stop.
5. Cutting down must be decided in consultation with whoever prescribed them. Whatever you do, don't stop suddenly tonight.

What we often hear

• "I thought I'd try just half a pill, and I was up the whole night."
• "I guess my body just can't sleep without pills."
• "The same dose doesn't work as well anymore."
• "I know I'll have to stop someday, but I can't bring myself to try."

What that night really is

Most people who take sleeping pills try it at least once. Maybe I'll take just half a pill tonight. Or maybe I'll skip it altogether and tough it out.

And that night, you lie awake far worse than usual. The conclusion you reach the next morning: I guess my body just can't sleep without pills.

That night isn't proof that your body is broken. It's a predictable reaction that happens when a medication is suddenly taken away.

Why you sleep even worse

Textbooks on insomnia treatment call this rebound insomnia. It's when suddenly stopping sleeping pills can temporarily bring on insomnia worse than what you had before you started taking them.

A sleeping pill is an assist device that presses hard on the signals that act as brakes in the brain. But with long use, the brain adapts to that assist. You need a larger dose to get the same effect, and the brain's own ability to press the brakes without the assist weakens.

If you pull the assist device out overnight in that state, a night comes when the brakes barely work.

The problem is what comes next. After a night like that, the belief that you can't sleep without pills hardens, you take them again, over time tolerance builds and you raise the dose or switch medications, then you get anxious, one day you suddenly try stopping again, and you meet another rebound night.

Nowhere in this loop is there a step where your body gets better.

And you're not the only one

There are numbers.

The American Academy of Sleep Medicine recommends taking sleeping pills only for the short term, about 2–4 weeks. But textbooks cite reports that in reality 65% of people with insomnia take them for more than a year, and 30% of those for more than 5 years.

What this gap between recommendation and reality tells us is clear. It isn't that people can't stop because their willpower is weak. It's a medication that needs a method to stop.

One thing to be clear about: this isn't saying sleeping pills are bad. Short-term sleeping pills are an effective treatment, and for some people medication is the better fit. The problem isn't the medication itself, but use that drags on without a plan, and stopping that's attempted without a plan.

Three things to keep to if you want to cut down

First, don't decide on your own. Cutting down must start only after talking with the doctor who prescribed them and getting their agreement. Textbooks put this condition ahead of everything else. Depending on the type of medication, cutting down suddenly can be dangerous, and in some conditions it's better to stay on medication.

Second, go gradually, not all at once. The standard approach is to reduce a little at a time, a few weeks apart. The idea is to break the rebound wave into small pieces and get over each one.

Third, while cutting down, add treatment that builds up your ability to sleep. If you only take the medication away, rebound and anxiety fill that space. Training that gets your body to do on its own what the medication was doing, that is, switching off alertness at night, has to come along too, so that the space you cut fills with sleep. The bed retraining I described in the previous post plays exactly that role.

Our part is the third one

First, we get a clear picture of your current medication and sleep. We check the name of the medication you take and how long you've taken it, look at the actual shape of your sleep with a 1–2 week sleep diary, and look for the bodily reasons your alertness won't switch off with blood tests, brain wave (EEG) tests and body composition tests, plus abdominal and pulse diagnosis. If snoring or sleep apnea is suspected, pointing you to a facility that can do a sleep study (polysomnography) comes first.

Next, we work to get your body doing what the medication was doing. We work on tension built up during the day with acupuncture and pharmacopuncture, and restore your disrupted rhythm with herbal medicine matched to your test results, while designing bed retraining together to fit your life. During this stage, you keep taking your medication as before. We won't have you stop it on your own. The order in which we look at insomnia is laid out in our insomnia care page.

Then, when you're ready, we have you go discuss it with numbers in hand. Once the figure in your sleep diary rises and we see nights when alertness switches off even without medication, we guide you to take those records to whoever prescribed them and discuss cutting down. Deciding on and pacing the reduction is up to the prescribing medical facility; our part is building a body that makes that decision possible. We don't treat without evidence.

One thing not to do today

A night when you lie down without debating whether to take the pill. An evening when you can put the pill bottle deep in a drawer and not feel anxious. That's the state we aim for.

How fast you get there varies from person to person, depending on how long you've been taking them, the type of medication, and the state of your sleep. But one thing not to do today is clear: stopping suddenly tonight.

Instead, just try this today: write down the name of the medication you take and when you started. Come in with that note, and we'll make a plan together to build a body that can sleep without pills.

For questions or appointments, message us in English through the messenger at the bottom right of the page, or call +82-53-716-1175.

How we look at the process of cutting down is in Can I cut down on sleeping pills?, and the story of insomnia where you wake up during the night being its own kind is in the director's column Waking up during the night is insomnia too.