Electromagnetic Field Effects of Mobile Communication (LTE) on Sleep in the Context of Genetic Variation

Inclusion criteria

• Age 18-30 years
• German knowledge (reading and writing)
• Right-handedness
• Body mass index (BMI) 18.5-25.0 kg/m2
• Mobile communication (phone calls) less than 2 hours per week
• Moderate alcohol consumption (less than 5 alcoholic beverages per week)
• Moderate caffeine consumption (less than 5 caffeinated foods per day, e.g. coke, coffee, energy drinks, green or black tea, chocolate)
• Informed consent

Exclusion criteria

• Travels across more than 2 time zones in the last 30 days or during the study
• Nocturnal shift work
• Extreme chronotype or extreme sleep duration (less than 5 hours or more than 10 hours on average)
• Sleep disorders or problems
• Severe acute or chronic neurological, mental or general health disorders, which might impair the participant's safety or affect the study's outcome
• Use of medication (regular or during the study), which might affect the study's outcome
• Recreational drug use
• Smoking (or other tobacco products)
• Severe skin allergies
• Relevant findings in physical examination or during the screening night (e.g. sleep disorders)
• Participation in an other clinical trial in the last 30 days or during the study