PETALING JAYA, Aug. 24 -- Getting a good night's sleep isn't as easy as it used to be for Lim Chi Weng.

The 32-year-old fell ill with Covid-19 in May and although he only experienced mild symptoms at his worst, he started having insomnia 10 days after he tested positive.

He went on to suffer sleepless nights for eight weeks long after he recovered from the virus.

"I was having insomnia and I couldn't sleep at night or even during the daytime.

"I tried to rest but I could feel something was different as my brain was always on alert.

"Even a minor sound would wake me up immediately," Lim told Malay Mail.

As a salesperson who is always on the go, Lim's long-haul symptoms had a major impact on his daily routine.

Lack of sleep caused hi...