The relationship between the development of social competence and sleep in infants: a longitudinal study

Table 3 Correlations between sleep and child’s social competence

	Social competence		Autonomy		Responsiveness		Empathy		Motor regulation		Emotional regulation
	r	P	r	P	r	P	r	P	r	P	r	P
Sleep onset time (18 months)	0.07	0.30	0.02	0.83	− 0.03	0.67	0.11	0.10	− 0.06	0.43	0.11	0.10
Nocturnal sleeping duration (18 months)	0.08	0.24	0.05	0.49	− 0.04	0.59	0.06	0.42	0.01	0.91	0.18	0.01
Total sleeping duration (18 months)	0.02	0.76	0.05	0.45	− 0.02	0.80	0.03	0.64	− 0.12	0.08	0.06	0.41
Sleep onset time (30 months)	0.08	0.14	− 0.03	0.57	− 0.00	1.00	0.04	0.48	0.09	0.11	0.12	0.04
Nocturnal sleeping duration (30 months)	0.03	0.58	− 0.01	0.88	− 0.00	0.99	0.02	0.67	0.02	0.75	0.01	0.82
Total sleeping duration (30 months)	0.05	0.39	0.05	0.37	0.08	0.17	0.04	0.50	0.02	0.73	0.02	0.73
Sleep onset time (42 months)	0.23	< 0.01	0.11	0.19	0.06	0.45	0.10	0.23	0.26	< 0.01	0.18	0.02
Nocturnal sleeping duration (42 months)	0.18	0.02	0.06	0.44	0.06	0.45	0.12	0.14	0.06	0.44	0.17	0.03
Total sleeping duration (42 months)	0.18	0.02	0.09	0.28	0.07	0.35	0.10	0.20	0.14	0.07	0.12	0.13

ISSN: 1753-2000