Greater incidence of depression with hypnotic use than with placebo
2007

Hypnotics and Depression Risk

Sample size: 7853 publication 10 minutes Evidence: moderate

Author Information

Author(s): Daniel F. Kripke

Primary Institution: The Scripps Clinic Sleep Center

Hypothesis

Does the use of hypnotics increase the risk of depression compared to placebo?

Conclusion

Hypnotics are associated with a higher incidence of depression compared to placebo, suggesting they may not be suitable for individuals at risk of depression.

Supporting Evidence

  • 2.0% of patients using hypnotics developed depression compared to 0.9% using placebo.
  • The risk ratio for developing depression when using hypnotics was 2.1.
  • Data was compiled from FDA New Drug Application documents.

Takeaway

Using sleeping pills might make you feel sadder instead of helping you sleep better.

Methodology

The study compiled data from FDA-approved trials comparing the incidence of depression in patients using hypnotics versus those using placebo.

Potential Biases

The data from FDA may be incomplete and potentially biased due to lack of comprehensive trial details.

Limitations

The data quality was insufficient for formal meta-analysis, and there were gaps in information regarding dropout rates and definitions of depression.

Participant Demographics

Patients in randomized controlled trials for four hypnotics.

Statistical Information

P-Value

0.002

Confidence Interval

1.3–3.3

Statistical Significance

p < 0.002

Digital Object Identifier (DOI)

10.1186/1471-244X-7-42

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