https://i.imgur.com/QeXfWM9.jpg
https://i.imgur.com/8GlpLbb.jpg
https://i.imgur.com/iwrK0C1.jpg

「レム睡眠」で認知症予防 脳の毛細血管の血流が2倍に
https://gooday.nikkei.co.jp/atcl/column/22/121400006/020200014/