Table 2.

Responses of ten questions from sleep quality questionnaire

Questions	No warming (CON)	Feet warming	P value
1. Estimate of the amount of movement during sleep	1.17 ± 0.90	1.33 ± 0.94	N.S.
2. Estimate of depth	1.67 ± 0.75	1.67 ± 1.11	N.S.
3. Estimate of how rested you are upon awakening	2.00 ± 1.00	2.50 ± 0.96	N.S.
4. Spontaneity with which you awaked in morning	0.50 ± 0.50	1.17 ± 0.90	N.S.
5. Estimate of sleep along dimensions of satisfaction, quality, and disturbance	1.83 ± 1.07	2.00 ± 0.82	N.S.
Total scores of sleep quality (sum of #1~5)	7.17 ± 2.54	8.67 ± 3.73	N.S.
1. Estimate of number of awakenings during the sleep period [times]	1.67 ± 0.47	2.00 ± 1.53	N.S.
2. Estimate of amount of time from settling down to sleep until falling asleep [min]	47.17 ± 61.46	37.50 ± 31.06	N.S.
3. How hot was the room you slept in	− 0.17 ± 1.67	0.33 ± 1.11	N.S.
4. How humid was the room you slept in	0.17 ± 0.69	0.00 ± 0.58	N.S.
5. How thermally comfortable was the room you slept in	1.17 ± 0.69	1.83 ± 0.37	N.S.

All data were expressed as mean ± SD (N = 6)