猫にもレム睡眠、ノンレム睡眠があるみたいで、猫が寝ていると体勢や瞼の動きで観察してます。特にレム睡眠のときは睡眠を阻害しないようにしようっと。
It seems that cats also have REM and non-REM sleep, and I observe their posture and eyelid movements when they are sleeping. Especially during REM sleep, I try not to disturb their sleep.