Stress and fertility
- Ongoing sleep problem?
Start here
- Ongoing sleep problem?
Choose your route
The evidence is stronger when stress or under-eating is severe enough to change periods.
The evidence landscape
- Ongoing sleep problem? Discuss it with your clinician, especially a diagnosed breathing disorder. - Looking for an hours target? Research hasn't established a fertility-specific number, or that sleeping more improves pregnancy chances. - Due fertility assessment? Don't put it on hold while changing sleep. Breathing disorders during sleep are associated with some assisted-fertilization outcomes, but an association isn't proof of cause. A short night isn't a fertility diagnosis.
Two research-review abstracts provide the sleep evidence; full captured ACOG and NHS guidance provides clinical context. We haven't read the reviews' full papers.
Don't postpone a fertility appointment until you feel you've perfected sleep. NHS guidance advises seeking help after a year of trying, sooner if you're 36 or over or already know of a possible fertility problem.
When the answer changes
Don't postpone a fertility appointment until you feel you've perfected sleep. NHS guidance advises seeking help after a year of trying, sooner if you're 36 or over or already know of a possible fertility problem. People already receiving fertility care should ask their clinic how sleep concerns fit their existing plan, rather than treating this article as a new waiting period. This evidence doesn't establish a sleep medicine, melatonin supplement, device or behavioral program as a fertility treatment. It also doesn't assess the safety of those options for you. We aren't recommending starting, stopping or changing a treatment. A sleep diagnosis and treatment decision belong with a clinician; the research association alone cannot make them.
Getting pregnant and testing
What can I do now, and when should I ask for help?
Miscarriage
What can I change without blaming myself?
Our public fertility answers link to the sources behind them. If an answer has been reviewed by a clinician, that will be noted on the page.