single standalone documentary film

Sleep and Dreams is a Russian popular-science documentary that explores the nature of sleep, brain function, and the mysteries of nocturnal visions. Sleep physiology—how the body restores energy, rejuvenates, and heals during rest. Sleep phases—the importance of REM and non-REM sleep for memory and mental health. The nature of dreams—why we dream, how the brain processes information, and the meaning of nocturnal imagery. Practical benefits—tips and recommendations for achieving a restful and healthy night's sleep.