6:20 Why Humans Are Supposed to Sleep in Two 4-Hour Phases 4:17 Saybia - The Second You Sleep (lyrics) 0:44 First Sleep vs Second Sleep | Dr Andrew Huberman x Dr Matthew Walker 3:35 Stolen Babies \"Second Sleep\" 8:44 Thriller Thursday: The Second Sleep by Robert Harris [CC] 0:07 sleep in exactly 6 seconds #asmr 0:22 I Tried a 60 Second Sleep Hack, and THIS Happened 😴#shorts 4:21 THE SECOND YOU SLEEP - SYABIA ( FELIX IRWAN COVER ) 0:12 sleep in exactly 10 seconds 💤 #asmr 7:44 Two Sleep Hacks for Learning and Creativity 0:31 The Second Sleep by Robert Harris 0:14 SLEEP in 10 Seconds! 0:34 sleep in 30 seconds #asmr