The temporal relationship between growth hormone and slow wave sleep is weaker after menopause.

What Was Tested

Researchers studied Exogenous HGH, sermorelin & older GHRPs (why they're passed over) in this randomized controlled trial publication.

To study the temporal association between growth hormone (GH) and slow wave sleep (SWS) in middle-aged women.

Who Took Part

According to the abstract, 18 women were involved.

By PubMed's age tags, the people studied were middle-aged adults, women only.

How the Study Was Run

In design terms this was a randomized, double-blind and placebo-controlled study.

The women were allocated by chance, so the Exogenous HGH, sermorelin & older GHRPs (why they're passed over) group and the comparison group should start out alike.

Neither the women nor the staff measuring them knew who was on Exogenous HGH, sermorelin & older GHRPs (why they're passed over), so expectations could not easily colour the readings.

A placebo (an inactive look-alike) gave the Exogenous HGH, sermorelin & older GHRPs (why they're passed over) group a baseline to be compared against.

What Was Measured

The subject headings attached to it are Case-Control Studies, Electroencephalography, Estrogen Replacement Therapy, Human Growth Hormone, Menopause, Polysomnography and Sleep.

What This Means in Plain Language

The paper is a randomized, double-blind and placebo-controlled study of Exogenous HGH, sermorelin & older GHRPs (why they're passed over) in 18 women.

With fewer than 40 people, it is a small study, so it is better read as an early signal for further research than as a settled answer.

Results are reported in around 5 sentences of the abstract; we leave them to the paper itself rather than summarise them.

The publication is from 2012 (Sleep medicine), a journal based in Netherlands.

More context: the Exogenous HGH, sermorelin & older GHRPs (why they're passed over) compound page, all human trials.