Forbes reports on how sleep is the foundation of both a strong immune system and psychological resilience.

And yet, with the COVID-19 crisis, a good night’s sleep has never been harder to come by. Experts say insomnia has risen along with the spread of COVID-19, contributing to mental and physical health problems. According to Donn Posner, President of Sleepwell Associates and adjunct clinical professor at Stanford University, the pandemic is “a perfect storm for sleep problems.”

Posner says anywhere from 30 to 35% of the population experiences acute, short-term insomnia—getting to sleep, staying asleep or waking too early—in ordinary times. But he adds, “The actions that we’re taking to protect ourselves can not only precipitate problems with sleep, but lead to chronic problems with sleep.”

Get the full story at forbes.com.