Exploring effective core drug patterns in primary insomnia treatment with Chinese herbal medicine: study protocol for a randomized controlled trial

Table 1 Calendar summary

Period	Screening	Washout	Treatment				Follow-up
Week(W)	-1 W	0 W	1 W	2 W	3 W	4 W	4th week after the end of treatment
Inclusion and exclusion criteria	×
Informed consent	×
Demography	×
Past Medical history & treatment history	×
Spiegel Scale	×	×
Self-rating Anxiety Scale	×	×				×
Beck Depression Inventory	×	×				×
http://Pittsburgh Sleep Quality Index	×	×	×	×	×	×	×
CM syndromes and signs	×	×	×	×	×	×	×
Sleep diary	×	×	×	×	×	×
Prescription (include every herb and dose)			×	×	×	×
Vital signs	×	×	×	×	×	×
Adver event		×	×	×	×	×

ISSN: 1745-6215