The signs of sleep deprivation may appear at school ​ — poor scholastic achievement, irritation, lack of concentration — ​ perhaps leading to a wrong diagnosis of hyperactivity.
Tanda - tanda kurang tidur mungkin terlihat di sekolah ​ — pencapaian skolastik yang buruk, kesal, dan kurang konsentrasi ​ — mungkin mengarah kepada kekeliruan diagnosis, dianggap sebagai hiperaktivitas.