Sleep: How Do We Get More? Guests include Pam DeYoung, a lab coordinator, Dr. Brady Riedner, a sleep researcher, and Prof. Russell Foster, a circadian scientist. Not sleeping enough affects our behavior. A sleepy brain is less efficient and slower. Circadian rhythm affects sleep. Melatonin helps regulate our internal clock. Blue light disrupts sleep. Consistent bedtime routines and a sleep-friendly environment improve sleep quality.