Table 5.

The comparison of significant varied PSG data between S-Acu group and M-Acu group

	S-Acu group (HT-7)	M-Acu group (HT-7, GV-20 and SP-6)
The increase of TST (minutes)	40.20 ± 55.48	72.40 ± 85.74a
The increase of SE (%)	6.26 ± 12.44	12.55 ± 18.65
The increase of N3 (minutes)	10.65 ± 48.61	31.28 ± 50.45
The decrease of WASO (minutes)	19.53 ± 54.19	48.73 ± 87.83

^aP < 0.05 (compared with S-Acu group); TST total sleep time, SE sleep efficient, N3 third stage of non-rapid eye movement sleep, WASO wake after sleep onset, S-Acu group single acupoint group, M-Acu group multi-acupoints group