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Table 2 Percentage of sleep disturbances and sleep disorders in German and Luxembourgish students

From: Sleep disturbances and mental strain in university students: results from an online survey in Luxembourg and Germany

Sleep quality All students
(%)
Germany
(%)
Luxembourg
(%)
Good sleep quality (PSQI ≤ 5) 39.3 39.4 34.8
Impaired sleep (PSQI 6–10) 42.8 42.9 42.9
Severe sleep problem (PSQI > 10) 17.9 17.7 22.3