Is There a Phase of Sleep?

A, to answer christina's question though, i find myself to be more productive in the things that i want to do at night. So i'm definitely a night person. Ah, and then during the day, ye, those interactions with other people, and then also the stuff that i do for for workndn, everything like that. Happens at that time. A, so there's this excellent book called dreamland, adventures in the strange science of sleep, a i read a while back. And one of the things that they talk about is what you mentioned, dan, a, which is a by phasic sleep. I used to be on that sleep dual,