# placebo

A dummy treatment, such as a pill with nothing active in it. Studies compare a real treatment against one to see how much of the effect comes from the treatment itself.

## Where it comes up

- [Does alcohol help you sleep?](https://nitez.com/alcohol-and-sleep)
- [How long does caffeine stay in your system?](https://nitez.com/caffeine-and-sleep)
- [Is it okay to take melatonin every night?](https://nitez.com/melatonin)
- [Do herbal sleep remedies like valerian or chamomile work?](https://nitez.com/herbal-remedies)

https://nitez.com/words/placebo