Figure 5 | Scientific Reports

Figure 5

From: Insomnia subtypes characterised by objective sleep duration and NREM spectral power and the effect of acute sleep restriction: an exploratory analysis

Figure 5

Both delta-deficient insomnia subtypes have stronger NREM delta-power with bedtime restriction. Global delta power during NREM sleep (A), in the right (B) and left hemisphere (C) between habitual sleep (night 1) and acute sleep restriction (night 2). Error bars indicate standard error of the mean, SSDD short-sleep delta-deficient subtype, NSDD normal-sleep delta-deficient, NNS normal neurophysiological sleep subtype, *p < 0.05, **p < 0.01.

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