Thank you for your interest in this study.

We invite students aged 18-30 from a German university to participate in an exciting study investigating how visual brainwave stimulation might improve sleep quality. The study focuses on using specialized glasses that emit delta frequencies (2-4 Hertz) to explore their impact on sleep.

• Login: Click on the Account button at the top right to log in or create an account.
• Initial Registration: Click the button below to register your contact information and complete a brief form to check your eligibility for the study.
• Deposit: A 20€ deposit is required for the glasses shipment. You can pay this deposit below.
• Return of Glasses: After the study, return the glasses.

• Pre-Test: Assess memory and concentration on Day 1.
• Control Phase: Follow morning and evening routines for 5 days without using the glasses.
• Intervention Phase: Use the glasses for 30 minutes, up to 1 hour before bedtime, for 5 days while continuing the morning and evening routines.
• Post-Test: Reassess memory and concentration on Day 10.

• Must be a student aged 18-30 at a German university.
• Excludes individuals with diagnosed sleep disorders, epilepsy (or a family history of it), or those using medications or drugs that affect sleep.