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Table 3 Polysomnographic characteristics during baseline, baseline fasting and Ramadan

From: Objective assessment of drowsiness and reaction time during intermittent Ramadan fasting in young men: a case-crossover study

Variable BL BLF Ramadan
Total sleep time (min) 6.2 ± 0.8 6.1 ± 1.0 5.9 ± 0.7
Sleep Latency 29.6 ± 24.2 33.7 ± 33.6 32.8 ± 29.3
REM Latency 80.6 ± 26.9 108.9 ± 47.8 73.5 ± 40.1
Stage N1% 5.2 ± 2.6 6.2 ± 3.7 5.5 ± 2.4
Stage N2% 58.7 ± 4.6 65.1 ± 5.3 65.2 ± 6.1
Stage N3% 10.7 ± 6.3 11.0 ± 6.1 10.7 ± 7.1
Stage REM% 25.6 ± 4.8 17.7 ± 8.1* 18.6 ± 10.7*
REM cycles 4.1 ± 1 3.9 ± 0.9 3.8 ± 1.3
Stage shifts 69.3 ± 14.8 73.5 ± 19.5 69.1 ± 16.3
Arousal Index 8.5 ± 3.9 9.1 ± 3.8 8.9 ± 3.6
  1. BL, baseline; BLF, baseline fasting.
  2. * The difference is statistically significant (<0.05) compared to BL.