FAQ
Does smoking affect sleep
Yes, nicotine disrupts sleep architecture and reduces sleep quality.
Quick Answer
Yes, nicotine disrupts sleep architecture and reduces sleep quality.
Detailed Explanation
REM sleep decreases, sleep apnea risk doubles, and insomnia is more common. Quitting improves sleep.
Key Facts
- Smokers report 30% worse sleep quality
- Sleep apnea risk doubles in smokers
What the Research Says
NIH studies show significant sleep improvements after quitting
Frequently Asked Questions
Will I sleep better after quitting
After initial withdrawal, sleep quality improves dramatically
How long until sleep improves
Significant improvements within 1-2 months
Sources & References
The information in this article is based on publicly available research and guidance from the following authoritative health organizations:
- CDC - Smoking & Tobacco Use
- WHO - Tobacco
- NIH - National Cancer Institute
- American Lung Association
- American Heart Association
- Truth Initiative
- Smokefree.gov
Sources accessed February 2026
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