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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