Actively lose weight and sleep better


We're starting up again!
50 participants aged 30 and over,

who would like to participate in a 4-week study. We want to prove that a novel goodnight protein with natural ingredients leads to immediately better sleep and that, combined with good nutrition and targeted training, it demonstrably reduces body weight much more effectively.


In just 4 weeks, we'll help you specifically reduce belly fat, improve your sleep, and boost your fitness. It's not just about the number on the scale – the ratio of muscle to fat mass is crucial. With our InBody body composition analysis, we make your progress measurable and visible!


One-time studio fee: 6€9 (€55 for members)

Start date: Individual options available - also possible after Carnival!

Registration deadline: January 31, 2026

Language: Study guide only available in German!
For employees of the Hanau Industrial Park only!!


Jasmin Römer

Fitness trainer / nutritionist

"Our goal is to find out what you can achieve in four weeks. Many participants manage to lose three to five kilos of body weight during this time. At the same time, sleep quality improves, hunger regulates itself, body fat decreases – and often positive effects on blood pressure and cholesterol are also observed."


You receive:

Health analysis

InBody Measurement of body fat, water content, waist circumference, muscle mass, and weight. Assessment of sleep quality.

4 weeks of training

Introduction to a metabolic training program

for fat burning and

to improve sleep quality.

4 exciting study videos

on the topics "Active weight loss better sleep"

1 can of Good Night Protein study guide

With natural, sleep-promoting ingredients that have an immediate effect. Free gift worth €29.90 study guide booklet with many delicious recipes.

everyday recipes.

"Actively lose weight and sleep better"
The goal at the health center is to shed pounds – for scientific purposes.


More and more people are struggling with sleep problems – currently, around 43% of adults report sleeping poorly. At the same time, over 60% of Germans want to lose weight. However, many are unaware of how closely poor sleep and stubborn weight are linked. Besides diet and exercise, your sleep quality plays a crucial role in your body weight.


Poor sleep is often characterized by long periods of difficulty falling asleep, frequent awakenings during the night, or an overall insufficient sleep duration. Even if you seem to spend enough time in bed, the quality of your sleep can suffer – with significant consequences for your health. Important processes take place in your body during the night: cell regeneration, strengthening of the immune system, hormone regulation, and mental recovery.


Sleep has a particularly strong influence on your appetite. If your sleep-wake cycle is disrupted, the production of ghrelin—the hormone that increases hunger—rises. At the same time, the satiety hormone leptin decreases. The result: You have a bigger appetite, reach for high-calorie foods more quickly, and thus increase your risk of becoming overweight.

Together with the GfBE (Society for Movement and Nutritional Analysis) and myline, we want to demonstrate how a newly developed good-night protein with natural ingredients can support sleep quality – and how, in combination with good nutrition and targeted strength training, it can demonstrably lead to better weight loss. We are now looking for 50 untrained participants aged 30 and over!


For four weeks, we'll guide you through a practical weight loss program. You'll receive a recipe book, the new Good Night Protein with natural ingredients, and a personalized training program that specifically activates your muscles – the largest fat-burning organ. Effective muscle training allows you to burn significantly more calories without constant deprivation. And all it takes is 2-3 hours of training per week. This will sustainably boost your metabolism, allow you to eat more without gaining weight, and promote better sleep.

The cost price for the study, including 4 weeks of training at the health center, a comprehensive InBody body analysis at the beginning and end of the study, the Good Night Protein, and the study guide with many delicious recipe suggestions for weight loss, is only €69. Our members pay €55.


Registration is done via our contact form (see below!).


The number of participants is limited!


Frequently Asked Questions

Below you will find frequently asked questions and their corresponding answers.

  • Who can participate in the study?

    You can participate if you are 30 years or older – regardless of whether you are untrained or already do some sport.

  • Can I participate as a non-member?

  • You don't need to be a member to participate in the study. Non-members should allow approximately 70 minutes for the initial meeting, which includes registration and an introduction to the equipment. Please bring:
  • Athletic wear
  • A large towel
  • €1 for a locker in the changing room
  • A water bottle (optional) for the water dispenser
  • When can I start the study?

    The study extends over a period of 4 weeks and can be started individually, taking care to ensure that, for example, no vacation periods fall in between.

  • Is there a maximum weight for participation?

    For technical reasons, participation is limited to persons weighing a maximum of 135 kg.

  • Are there any contraindications?

  • In certain illnesses or conditions, you should always consult a doctor before starting a diet or changing your eating habits. These include:
  • Diabetes mellitus
  • Cardiovascular diseases such as heart failure or after a heart attack
  • Kidney diseases
  • Liver diseases
  • Metabolic disorders such as gout
  • Digestive tract diseases such as Crohn's disease or ulcerative colitis
  • Eating disorders such as anorexia or bulimia
  • Thyroid diseases, especially hypothyroidism
  • Pregnancy and breastfeeding
  • When taking medications that can affect weight
  • Adolescents
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Besser-Schlafen-Studie

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Das WHATSAPP-Feld muss zwischen 6 und 19 Ziffern enthalten und die Ländervorwahl ohne +/0 (z. B. 49xxxxxxxxxx für Deutschland) enthalten.
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Your alternative to the study


What others can do, you can do too!

The study isn't for you?! Then we offer you the most successful and award-winning nutrition program in the fitness industry.

Far more than1 million participantshave already successfully lost weight or improved their diet with the myline programs.


  • Professional coaching: Benefit from 9 individual coaching sessions and valuable nutrition and training tips.
  • Flexible learning: Adapt your learning schedule to your daily routine and enjoy the freedom to learn anywhere.
  • Dietary change made easy: Discover healthy recipes and learn how to permanently change your diet.
  • Individual training plans: Receive a 12-week training plan specifically tailored to your goals and needs.
  • Motivating community: Immerse yourself in a community that supports and motivates you.
  • The health insurance fund also pays: The course fee can be subsidized up to 100% by your health insurance.
  • Care: Experience personalized and continuous support that accompanies you through every phase of your program. Our team is available to answer your questions, offer suggestions, and provide motivation.
Read more