Black Screen No Sound 12 Hours Sleep Relaxation Mood Dark Background Zen Meditation Stress Relief
 
        10:00:01
10 hours and 1 second of pure black screen!
 
        24:00:01
24時間の動画。
 
        12:00:00
Sleep Music : Eliminates All Negative Energy - Calm Your Mind, Relaxing Music Deep Sleep
 
        3:00:01
Black Screen No Sound 3 Hours Sleep Relaxation Mood Dark Background Zen Meditation Stress Relief
 
        2:02:24