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Table 2 Descriptive data of bedtimes, sleep onset times, wake-up times and rise-times among Norwegian nurses before and after the first wave of the COVID-19 pandemic

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

  More than 1 h earlier 15 to 60 min earlier As before
(<than 15 min)
15 to 60 min later More than 1 h later
Bedtime (n = 1258) 1.7% 4.8% 83.9% 7.4% 2.2%
Sleep onset time (n = 1256) 0.6% 2.0% 86.4% 8.8% 2.3%
Wake-up time (n = 1254) 2.0% 7.0% 87.0% 3.3% 0.7%
Rise-time (n = 1249) 1.0% 3.6% 89.0% 6.0% 0.5%