Sleep symptoms are essential features of long‐<scp>COVID</scp>– Comparing healthy controls with<scp>COVID</scp>‐19 cases of different severity in the international<scp>COVID</scp>sleep study (<scp>ICOSS‐II</scp>)Ilona Merikanto, Markku Partinen, Frances Chung et al.|Journal of Sleep Research|2022Cited by 76