ScienceGlobal issuesExcuse me, but have you tried 'quality sleep'?To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceGlobal issuesConor Dillon | Gabriel Borrud09/21/2022September 21, 2022A new study makes a compelling case that the quality - and not quantity - of sleep is more important for our immune systems to avoid respiratory infections like COVID-19.https://p.dw.com/p/4H9lJAdvertisement