Good and Bad Sleep in Childhood: A Questionnaire Survey amongst School Children in Southern Italy

Table 3

Comparison of sleep-wake behavioural problems between good and bad sleepers.

	Good sleepers			Bad sleepers
Variables	Median	1° Quartil	3° Quartil	Median	1° Quartil	3° Quartil	U of Mann-Whitney Test
Have been happy about your sleep	4	4	4	3	1,5	3	4339,5***
Have had problems falling asleep	4	3	4	2	1,75	2	4073***
Have had a nightmare	4	2	4	2	2	2	5158**
Have done something dangerous	5	3	5	4	2	4	5216,5**
Have slept well	5	4	5	4	1,75	4	3242,5***
Have felt sad or depressed	5	3	5	3	2	3	5012,5**
Sleep-wake behavioural problems global score	67	60	67	58	50,5	58	3575,5***

* 𝑃<.05.
** 𝑃<.01.
*** 𝑃<.001.