Table 6.

Pearson correlation results of social environment and sleep.

	Sense of participation	Sense of attachment	Sense of safety
Sleep quality	0.223**	0.275**	0.295**
Time to fall asleep	0.331**	0.333**	0.302**
Sleeping time	0.183**	0.219**	0.238**
Sleep efficiency	0.250**	0.305**	0.246**
Sleep disorder	−0.311**	−0.322**	−0.270**
Drug hypnosis	−0.355**	−0.343**	−0.286**
Disfunction	−0.342**	−0.340**	−0.276**

^*p < 0.05,

^**p < 0.01.

^**When the confidence value (double test) is 0.01, the correlation is significant.