Blog — Sleep and Hormones

Hormones influence everything from energy and mood to weight, sleep, skin, and long-term health — yet imbalances often go unnoticed. This in-depth guide explains how hormones work, the most common signs of imbalance, and why testing is essential for understanding your body. Learn how cortisol, thyroid hormones, estrogen, progesterone, testosterone, and insulin shape your wellbeing, and discover practical steps to restore balance naturally through personalised testing, nutrition, lifestyle changes, and targeted support. This is your complete roadmap to understanding and improving your hormonal health.

Saliva Testing for Hormones: Accurate, Convenient, and At-Home.

The UK is facing a growing obesity crisis, with two-thirds of adults and a rising number of children classified as overweight or obese. A recent UK Parliament briefing highlights alarming trends, including regional and ethnic disparities and increased risks linked to socioeconomic status. While public health strategies continue to evolve, addressing the hormonal root of weight gain may offer a more effective, personalized solution. ZRT Laboratory’s Weight Management Profile helps uncover hidden hormonal imbalances—such as elevated cortisol, low testosterone, or thyroid dysfunction—that contribute to stubborn fat gain, poor metabolism, and increased disease risk.

Sleep is an essential aspect of our lives, as it plays a crucial role in maintaining overall health and well-being. However, achieving a proper sleep balance can be challenging for many individuals. Insufficient sleep, poor sleep quality, or imbalances in the sleep-wake cycle can lead to various health issues and impact our daily functioning. In this blog, we will explore the importance of sleep balance, common symptoms of sleep imbalances, and the potential treatment options available, including the use of the Sleep Balance Profile Test Add-On with Diurnal Norepinephrine and Epinephrine. The Significance of Sleep Balance Achieving a healthy sleep...

  Sleep disturbance is a common problem affecting millions of people worldwide. A variety of factors, such as stress, anxiety, depression, and certain medical conditions, can cause it. However, sleep is crucial for overall health and well-being, and when we don't get enough quality sleep, it can lead to several adverse health consequences. One potential solution for sleep disturbance is a hormone sleep test. This type of test measures the levels of various hormones in your body that can impact sleep, such as melatonin, cortisol, and testosterone. By identifying any imbalances or deficiencies in these hormones, a hormone sleep test...