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Table 1 Sleep duration among nurses before and after the first wave of the pandemic in Norway

From: Sleep patterns among Norwegian nurses between the first and second wave of the COVID-19 pandemic

Sleep duration

Before COVID-19 (n = 1257)

After the first wave (n = 1258)

p-value *

Less than 5 h

0.8% (n = 10)

1.7% (n = 21)

<.0005

5–5.9 h

10.2% (n = 128)

14.2% (n = 179)

6–6.9 h

41.8% (n = 526)

41.5% (n = 522)

7–7.9 h

39.6% (n = 498)

34.8% (n = 438)

8–8.9 h

7.3% (n = 92)

7.3% (n = 92)

9–9.9 h

0.1% (n = 1)

0.2% (n = 3)

10 h or more

0.2% (n = 2)

0.2% (n = 3)

  1. *McNemar test