Incentives for Sleep vs Digital Media Restriction: A Field Experiment on Sleep and Health

Poor sleep harms health and accelerates aging across the lifespan. Building on prior work showing that incentives improve sleep, this trial tests whether incentivizing sleep or restricting evening screen use more effectively improves sleep, physiological stress, and mental health. Early adulthood is a high-leverage window for habit formation, enabling comparison with older adults when routines are more entrenched.