Table 4.

Changes in sleep duration before and during lockdown.

	[6–7 h]	[7–8 h]	[8–9 h]	[9–10 h]	[10–11 h]	[>11 h]	Chi square	p
Weekdays
1–3 years
before	85 (6.78%)	176 (14.05%)	398 (31.76%)	401 (32.00%)	169 (13.49%)	24 (1.92%)	5.60	NS
during	98 (7.81%)	158 (12.60%)	384 (30.62%)	389 (31.02%)	190 (15.15%)	35 (2.79%)
4–5 years
before	21 (2.36%)	130 (14.59%)	305 (34.23%)	316 (35.47%)	106 (11.90%)	13 (1.46%)	27.73	<0.001
during	20 (2.26%)	95 (10.72%)	274 (30.93%)	299 (33.75%)	171 (19.30%)	27 (3.05%)
6–12 years
before	29 (1.58%)	316 (17.26%)	799 (43.64%)	571 (31.19%)	110 (6.01%)	6 (0.33%)	63.5	<0.001
during	45 (2.45%)	223 (12.17%)	730 (39.83%)	602 (32.84%)	214 (11.67%)	19 (1.04%)
13–18 years
before	37 (12.01%)	124 (40.26%)	121 (39.29%)	24 (7.79%)	2 (0.65%)	0 (0.00%)	21.87	<0.005
during	41 (13.31%)	80 (25.97%)	134 (43.51%)	42 (13.64%)	8 (2.60%)	3 (0.97%)
Weekend
1–3 years
before	73 (5.82%)	164 (13.07%)	394 (31.39%)	411 (32.75%)	181 (14.42%)	32 (2.55%)	2.99	NS
during	88 (7.02%)	155 (12.36%)	378 (30.14%)	406 (32.38%)	187 (14.91%)	40 (3.19%)
4–5 years
before	13 (1.47%)	101 (11.43%)	268 (30.32%)	329 (37.22%)	154 (17.42%)	19 (2.15%)	7.25	NS
during	16 (1.81%)	94 (10.61%)	241 (27.20%)	319 (36.00%)	188 (21.22%)	28 (3.16%)
6–12 years
before	15 (0.83%)	163 (8.97%)	686 (37.73%)	709 (39.00%)	231 (12.71%)	14 (0.77%)	23.74	<0.001
during	26 (1.42%)	143 (7.82%)	614 (33.57%)	720 (39.37%)	292 (15.97%)	34 (1.86%)
13–18 years
before	8 (2.60%)	43 (13.96%)	119 (38.64%)	93 (30.19%)	39 (12.66%)	6 (1.95%)	10.19	NS
	13 (4.22%)	34 (11.04%)	93 (30.19%)	114 (37.01%)	41 (13.31%)	13 (4.22%)