---
title: Do sleep and body temperature rhythms change with the menstrual cycle?
description: Yes. In this woman with PMS, her sleep rhythm shifted forward in the first half of her cycle and backward in the second half. Her body temperature rhythm show
url: https://niyora.com/research/papers/menstrual-changes-in-sleep-rectal-temperature-and-melatonin-rhythms-in-a-subject-2000/
---

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- Do sleep and body temperature rhythms change with the menstrual cycle?

Case report, 2000

# Do sleep and body temperature rhythms change with the menstrual cycle?

Yes. In this woman with PMS, her sleep rhythm shifted forward in the first half of her cycle and backward in the second half. Her body temperature rhythm showed similar changes but started a few days earlier.

 Early or limited evidence

1 woman with PMS

## What they did

Researchers tracked one woman's sleep rhythm, body temperature, and melatonin levels across multiple menstrual cycles.

## What they found

Her sleep rhythm shifted forward during the follicular phase and backward during the luteal phase. Her body temperature rhythm showed similar changes but started a few days earlier, causing the two rhythms to become out of sync around ovulation and menstruation.

## What it means for you

Hormones from the ovaries may control the body's daily sleep and temperature rhythms. This is just one woman, so we do not know if this pattern happens in all people with PMS.

1

woman studied

## About the study

Original title Menstrual changes in sleep, rectal temperature and melatonin rhythms in a subject with premenstrual syndrome Authors Shinohara K, Uchiyama M, Okawa M et al. Journal Neuroscience letters Year 2000 Study design Case report What was tested None (observational study of menstrual cycle) Read the paper [doi.org/10.1016/s0304-3940(00)00826-0](https://doi.org/10.1016/s0304-3940(00)00826-0)

## Topics

[Premenstrual syndrome (PMS)](https://niyora.com/research/topics/condition-pms/)[Sleep and insomnia](https://niyora.com/research/topics/symptom-sleep/)

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