散漫 さんまん
samman

Noun
na-Adjective

1. vague; desultory; distracted; loose; half-hearted; diffuse; scattered

不足 ぶそくだと注意 ちゅうい散漫 さんまんになりがちです。
nebusokudato chūiga sammanni narigachidesu.
When you lack sleep, you are apt to be careless.