 I need to get to sleep. I have that psychology test tomorrow and I really need the rest. Oh my gosh. Who are you? I'm you. I feel like you, me, we need a lullaby. Maybe get a bit of psychology revision in there too, you know, kill two birds with one stone. Figuratively, of course. The sun goes down. Lights go out. You settle on in when sleeping begin. That's all thanks to melatonin. Promptly to the land of dreams. Although that's not quite how it seems. A few stages to go through before you can hope to dream the night away. One, two, three, four stages as you yon in REM. Stages as you snore. Ninety minutes for an average cycle. Four to six times a night falling deeper as you get to sleep. Stage one you're in transition where drowsiness begins. You might say you're half asleep, five minutes you will creep further down the stairs. Into the second stage. Theta waves in your brain. Hypnagogic jokes can happen while your stage should happen. Heart rate, temperature, decline. One, two, three, four stages as you yon in REM. Stages as you snore. Ninety minutes for an average cycle. Four to six times a night falling deeper as you get to sleep. Stage three and four are important. This is where your body repairs. Walking in your sleep can happen at the steep occurring in the first few hours. Take the stairs to the last stage. You've finally reached REM sleep. Your brain seems wide awake. Cause it's going through one of your dreams but your muscles are paralyzed. Movement and only arise. But only last ten minutes at first. Then you start again. One, two, three, four stages as you yon in REM. Stages as you snore. Ninety minutes for an average cycle. Four to six times a night falling deeper as you get to sleep. And your dreams get longer as the night goes on. And I hope you'll remember me singing this song.