Myth or reality: does poor sleep increase appetite?

"I slept terribly last night and I can't stop feeling hungry today" is a phrase many women in perimenopause repeat without knowing that it has a very specific hormonal explanation. Let's get straight to the point: it is not a myth, it is a reality, and it is documented.

The two hormones behind hunger

Appetite is largely regulated by two hormones that work in balance: ghrelin, produced in the stomach, which sends the "I'm hungry" signal; and leptin, produced by fat tissue, which sends the "I've had enough" signal. When sleep is insufficient or of poor quality, that balance is disrupted.

What the research shows

In a controlled study of 12 healthy young men, two days of restricted sleep were associated with 18% lower leptin, 28% higher ghrelin and increased hunger and appetite (Spiegel et al., 2004). In the Wisconsin Sleep Cohort, with 1,024 people, sleeping less was also associated with lower leptin and higher ghrelin (Taheri et al., 2004). The practical result is more hunger and more difficulty feeling full the next day.

It is worth saying honestly that these are small or cross-sectional studies, and that they were not carried out specifically in perimenopausal women. But the direction of the effect is consistent, and it fits what many women describe.

Why perimenopause can make this effect worse

The drop in estrogen removes, in part, a natural brake on appetite: a review of sex hormones and eating behaviour summarises that estrogen inhibits food intake and that estrogen therapy counteracts the weight gain and abdominal fat associated with the menopausal transition (Hirschberg, 2012). If you add sleep that is already more fragmented by night sweats, it is reasonable to think that the ground is especially prone to increased hunger and cravings. It is not a lack of willpower: it is a real physiological response with an identifiable hormonal basis.

What you can do about it

• Prioritise sleep quality as part of managing appetite, not as a separate topic.
• Avoid extreme calorie restriction on days of poor rest: your body is already dealing with an additional imbalance.
• Keep regular meals with enough protein, which helps sustain fullness.
• Look after your overall balance in the background, not only the immediate symptom of hunger.

Our trusted recommendation: Tigofem®

Within the Vive Tu Balance partner network we have Tigofem®, from Tigogreen, a supplement that combines lady's mantle extract (Alchemilla vulgaris), green tea (EGCG) and vitamin B6 in its active form (pyridoxal-5-phosphate). Vitamin B6 contributes to the regulation of hormonal activity, to the normal functioning of the nervous system and to normal energy metabolism, according to the health claims authorised in the European Union, aspects that are part of the wider hormonal context alongside sleep and appetite at this stage.

To be clear: Tigofem® is not a treatment for appetite or for sleep, and we have no studies showing that effect. We mention it as a support within a wider care routine.

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