Jackson was known to have suffered from severe insomnia.

众所周知，杰克逊一直患有严重失眠。

youdao

Patients with Morvan's syndrome suffer from severe insomnia and have been known to go for months without sleeping.

莫氏综合症患者严重失眠，甚至几个月不能入睡。

youdao

Two days after discharge the patient experienced intense itching all over the body, anxiety and severe insomnia.

出院两天后，患者出现全身明显瘙痒，焦虑和严重失眠。

youdao

Patients with Morvan's syndrome suffer from severe insomnia and have been known to go for months without sleeping.

ECONOMIST: Memory formation

The SEC and the Justice Department said the men traded shares dating back to 2006 of companies whose drugs were used for colon cancer, schizophrenia, insomnia, severe constipation, osteoarthritis and heart disease.

WSJ: FDA Chemist Charged With Insider Trading